{"id":4262,"date":"2025-02-21T14:22:55","date_gmt":"2025-02-21T07:22:55","guid":{"rendered":"https:\/\/ktgindustrial.com\/?post_type=new&#038;p=4262"},"modified":"2025-02-21T14:43:20","modified_gmt":"2025-02-21T07:43:20","slug":"factory-lighting-standards","status":"publish","type":"new","link":"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/","title":{"rendered":"Lighting Standards for Factory"},"content":{"rendered":"<p>Lighting standards are one of the key factors in the construction and operation of industrial factories. They both help improve work efficiency, ensure labor safety and\u00a0 enhance product quality, and comply with legal regulations. In this article, let\u2019s <a href=\"https:\/\/ktgindustrial.com\/vi\/homepage\/\" target=\"_blank\" rel=\"noopener\">KTG Industrial<\/a> explore the details of factory lighting standards to help you design the optimal factory space.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_72 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#What_are_Factory_Lighting_Standards\" title=\"What are Factory Lighting Standards?\">What are Factory Lighting Standards?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#Factory_Lighting_Standards_for_Factories\" title=\"Factory Lighting Standards for Factories\">Factory Lighting Standards for Factories<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#Scope_of_Application_of_Factory_Lighting_Standards\" title=\"Scope of Application of Factory Lighting Standards\">Scope of Application of Factory Lighting Standards<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#Complete_Factory_Lighting_Standards\" title=\"Complete Factory Lighting Standards\">Complete Factory Lighting Standards<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#Lighting_Environment_Standards\" title=\"Lighting Environment Standards\">Lighting Environment Standards<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#Warehouse_Lighting_Standards\" title=\"Warehouse Lighting Standards\">Warehouse Lighting Standards<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#Indoor_Lighting_Standards\" title=\"Indoor Lighting Standards\">Indoor Lighting Standards<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#Factory_Lighting_Illuminance_Standards\" title=\"Factory Lighting Illuminance Standards\">Factory Lighting Illuminance Standards<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#Color_Rendering_Index_CRI_Standards\" title=\"Color Rendering Index (CRI) Standards\">Color Rendering Index (CRI) Standards<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#Illuminance_and_Glare_Distribution_Standards\" title=\"Illuminance and Glare Distribution Standards\">Illuminance and Glare Distribution Standards<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#Flicker_Reduction_Standards\" title=\"Flicker Reduction Standards\">Flicker Reduction Standards<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#Environmental_Safety_Standards\" title=\"Environmental Safety Standards\">Environmental Safety Standards<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#Uniformity_Standards_in_Lighting\" title=\"Uniformity Standards in Lighting\">Uniformity Standards in Lighting<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#Method_for_Calculating_Factory_Lighting_Standards\" title=\"Method for Calculating Factory Lighting Standards\">Method for Calculating Factory Lighting Standards<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#Calculation_Using_the_Utilization_Factor_Ksd\" title=\"Calculation Using the Utilization Factor Ksd\">Calculation Using the Utilization Factor Ksd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#Approximate_Factory_Lighting_Calculation_with_Fluorescent_Tubes\" title=\"Approximate Factory Lighting Calculation with Fluorescent Tubes\">Approximate Factory Lighting Calculation with Fluorescent Tubes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#Lighting_Calculation_for_Industrial_Factories_by_Point\" title=\"Lighting Calculation for Industrial Factories by Point\">Lighting Calculation for Industrial Factories by Point<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#Approximate_Calculation_Method\" title=\"Approximate Calculation Method\">Approximate Calculation Method<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#Second_Approximate_Calculation_Method\" title=\"Second Approximate Calculation Method\">Second Approximate Calculation Method<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#Lighting_Calculation_Using_Lighting_Design_Software\" title=\"Lighting Calculation Using Lighting Design Software\">Lighting Calculation Using Lighting Design Software<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/#Conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_are_Factory_Lighting_Standards\"><\/span>What are Factory Lighting Standards?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Factory lighting standards are a set of regulations issued by authorities\u00a0 to guide the design of lighting systems for industrial production environments.<\/p>\n<p>Adhering to these standards ensures not only work efficiency and energy savings but also enhances labor safety and product quality.<\/p>\n<p>A compliant lighting system creates an ideal working environment, boosts productivity, and protects workers\u2019 health and safety. This is also the goal KTG Industrial strives for when we construct ready-built factories, to maximize production needs while ensuring safety for businesses.<\/p>\n<div id=\"attachment_4265\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" aria-describedby=\"caption-attachment-4265\" class=\"wp-image-4265 size-full\" src=\"https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-3.jpg\" alt=\"What are Factory Lighting Standards?\" width=\"800\" height=\"533\" srcset=\"https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-3.jpg 800w, https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-3-300x200.jpg 300w, https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-3-768x512.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><p id=\"caption-attachment-4265\" class=\"wp-caption-text\">Factory Lighting Standards Provide Guidelines for Designing Lighting Systems in\u00a0 Industrial Production Environments<\/p><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Factory_Lighting_Standards_for_Factories\"><\/span>Factory Lighting Standards for Factories<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Vietnam laws regarding lighting standards for factories are specifically outlined as follows:<\/p>\n<ul>\n<li aria-level=\"1\">Vietnamese Standard TCVN 7114-1:2008 (ISO 8995-1:2002\/Cor 1:2005) on Ergonomics &#8211; Workplace Lighting: Specifies the lighting requirements for indoor workplaces to ensure that workers can perform visual tasks effectively, comfortably, and safely throughout their working hours. The lighting must be designed to avoid glare and visual discomfort, ensuring safety and maintaining work productivity.<\/li>\n<li aria-level=\"1\">National Technical Regulation QCVN 09:2013\/BXD: Applies to factories with an area of 2,500m\u00b2 or more. The lighting system must optimize energy usage, ensure appropriate power density, and maintain high efficiency. Focus is placed on using effective, energy-saving, and environmentally friendly lighting equipment.<\/li>\n<li aria-level=\"1\">Regulation QCVN 31:2014\/BXD: This applies when using public or outdoor lighting equipment near the factory. The system must meet safety and energy efficiency requirements in public areas or around the factory.<\/li>\n<\/ul>\n<p>Adhering to lighting standards not only enhances productivity but also ensures compliance with legal requirements and protects the working environment.<\/p>\n<p>Lighting Standards in Vietnam:<\/p>\n<ul>\n<li aria-level=\"1\">Circular 22\/2016\/BYT: National technical regulation on lighting \u2013 permissible lighting levels in workplaces.<\/li>\n<\/ul>\n<ul>\n<li aria-level=\"1\">QCVN 09:2013\/BXD: Standards for buildings using energy efficiently.<\/li>\n<\/ul>\n<ul>\n<li aria-level=\"1\">QCVN-02-09\/BNNPTNT: National standards for cold storage lighting.<\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td>No.<\/td>\n<td>Function Area<\/td>\n<td>Illuminance (Lux)<\/td>\n<td>Color Rendering Index (Ra)<\/td>\n<td>Cone Density<\/td>\n<td>Limit Factor<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>Production Workshop, Factory<\/td>\n<td>200<\/td>\n<td>80<\/td>\n<td>&gt;13<\/td>\n<td>19<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Detail Processing Workshop<\/td>\n<td>300<\/td>\n<td>80<\/td>\n<td>&gt;13<\/td>\n<td>19<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Production Line Area<\/td>\n<td>750<\/td>\n<td>80<\/td>\n<td>&gt;13<\/td>\n<td>22<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>Finished Product Quality Control Area<\/td>\n<td>500<\/td>\n<td>80<\/td>\n<td>&gt;13<\/td>\n<td>22<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>Warehouse Area<\/td>\n<td>100<\/td>\n<td>80<\/td>\n<td>&lt;8<\/td>\n<td>19<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Scope_of_Application_of_Factory_Lighting_Standards\"><\/span>Scope of Application of Factory Lighting Standards<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The scope of application for factory lighting standards includes:<\/p>\n<ul>\n<li aria-level=\"1\">Regulations on lighting systems suitable for each specific working space within an industrial environment.<\/li>\n<li aria-level=\"1\">Each area, such as production workshops, quality control areas, or warehouses, requires different lighting levels to ensure visual comfort, labor safety, and the health of workers.<\/li>\n<li aria-level=\"1\">For specialized industries, lighting standards play a key role in ensuring that products meet both quantity and quality requirements, while also supporting efficient production processes and energy savings.<\/li>\n<\/ul>\n<p>Lighting Standards for Common Manufacturing Sectors:<\/p>\n<table>\n<tbody>\n<tr>\n<td>No.<\/td>\n<td>Factory Space<\/td>\n<td>Average Illuminance (Lux)<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"5\">1<\/td>\n<td>Food Production Factory<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\n<ul>\n<li aria-level=\"1\">Material Grinding<\/li>\n<\/ul>\n<\/td>\n<td>300<\/td>\n<\/tr>\n<tr>\n<td>\n<ul>\n<li aria-level=\"1\">Dry Ingredient Processing<\/li>\n<\/ul>\n<\/td>\n<td>150<\/td>\n<\/tr>\n<tr>\n<td>\n<ul>\n<li aria-level=\"1\">Processing and Filtration<\/li>\n<\/ul>\n<\/td>\n<td>150<\/td>\n<\/tr>\n<tr>\n<td>\n<ul>\n<li aria-level=\"1\">Packaging<\/li>\n<\/ul>\n<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Tobacco Production Factory<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Paper Production Factory<\/td>\n<td>300<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\">4<\/td>\n<td>Ceramic Technology<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>Firing Materials<\/td>\n<td>150<\/td>\n<\/tr>\n<tr>\n<td>Casting, Molding, Pressing<\/td>\n<td>300<\/td>\n<\/tr>\n<tr>\n<td>Varnishing and Decorating<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>Warehouse<\/td>\n<td>150<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Complete_Factory_Lighting_Standards\"><\/span>Complete Factory Lighting Standards<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Lighting_Environment_Standards\"><\/span>Lighting Environment Standards<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Lighting environment standards in industrial factories are established to ensure work efficiency, visual safety, and product quality. Specifically:<\/p>\n<ul>\n<li aria-level=\"1\">Lighting should be evenly distributed across all areas, ensuring no obstruction from people or machinery.<\/li>\n<li aria-level=\"1\">The lighting system must be designed to avoid discomfort to the eyes, preventing a decrease in work productivity and product quality.<\/li>\n<li aria-level=\"1\">Flickering lights should be avoided, as they can affect the eyes and health of employees.<\/li>\n<li aria-level=\"1\">Lighting must have appropriate color temperature and color rendering index to meet the specific requirements of each work area, such as production lines, quality control areas, or warehouses.<\/li>\n<li aria-level=\"1\">Areas should be equipped with emergency lights and exit signs.<\/li>\n<li aria-level=\"1\">The initial design should meet the standards to minimize maintenance, ensuring uninterrupted production operations.<\/li>\n<\/ul>\n<div id=\"attachment_4267\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" aria-describedby=\"caption-attachment-4267\" class=\"wp-image-4267 size-full\" src=\"https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-5.jpg\" alt=\"Lighting Environment Standards\" width=\"800\" height=\"533\" srcset=\"https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-5.jpg 800w, https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-5-300x200.jpg 300w, https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-5-768x512.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><p id=\"caption-attachment-4267\" class=\"wp-caption-text\">Lighting Standards to Enhance Production, Protect Health, and Ensure Labor Safety<\/p><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Warehouse_Lighting_Standards\"><\/span>Warehouse Lighting Standards<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>For loading and unloading areas, an illuminance level of 200-300 lux is required, while storage areas should achieve 100 lux. The lighting system must be uniform and stable to facilitate safe and convenient movement and handling of goods.<\/p>\n<p>Using lamps with reflectors is an optimal choice to distribute light evenly across the space. Additionally, it is crucial to pay attention to the proper distance when installing lights to ensure optimal lighting efficiency.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Indoor_Lighting_Standards\"><\/span>Indoor Lighting Standards<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Indoor lighting systems must ensure uniform illumination, meet the lighting requirements for various living, and working spaces, and maintain safety for human health. Some regulations regarding indoor lighting standards include:<\/p>\n<ul>\n<li aria-level=\"1\">National Technical Regulation QCVN 09:2013\/BXD<\/li>\n<li aria-level=\"1\">Vietnam Standard TCVN 7114-1:2012<\/li>\n<li aria-level=\"1\">Vietnam Construction Regulation QCXDVN 05:2008\/BXD<\/li>\n<li aria-level=\"1\">Ministry of Health Decision Q\u0110\/BYT 3733\/2002<\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td rowspan=\"2\">No.<\/td>\n<td rowspan=\"2\">Functional Space<\/td>\n<td colspan=\"5\">Requirements<\/td>\n<\/tr>\n<tr>\n<td>Illuminance (Lux)<\/td>\n<td>Uniformity<\/td>\n<td>CRI (Ra)<\/td>\n<td>Power Density (W\/m\u00b2)<\/td>\n<td>Glare Limits<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>Living Room<\/td>\n<td>\u2265300<\/td>\n<td>0.7<\/td>\n<td>\u226580<\/td>\n<td>\u226413<\/td>\n<td>19<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Bedroom<\/td>\n<td>\u2265100<\/td>\n<td>Not required<\/td>\n<td>\u226580<\/td>\n<td>\u22648<\/td>\n<td>Not required<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Kitchen, Dining<\/td>\n<td>\u2265500<\/td>\n<td>Not required<\/td>\n<td>\u226580<\/td>\n<td>\u226413<\/td>\n<td>22<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>Staircase, Balcony, Corridor<\/td>\n<td>\u2265100<\/td>\n<td>0.5<\/td>\n<td>\u226570<\/td>\n<td>\u22647<\/td>\n<td>Not required<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>Basement<\/td>\n<td>\u226575<\/td>\n<td>Not required<\/td>\n<td>\u226570<\/td>\n<td>Not required<\/td>\n<td>Not required<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"Factory_Lighting_Illuminance_Standards\"><\/span>Factory Lighting Illuminance Standards<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Factory lighting standards are designed to meet the various lighting needs depending on the work area. Areas where product processing and quality checks are carried out require higher illuminance levels to ensure accuracy and work quality.<\/p>\n<ul>\n<li aria-level=\"1\">Product Inspection Areas: A minimum of 500 lux is required to support accurate identification and detection of defects.<\/li>\n<li aria-level=\"1\">Production and Work Areas: A lighting level of about 300 lux is needed to ensure efficient working conditions.<\/li>\n<li aria-level=\"1\">Warehouse and Common Areas: The average illuminance should range from 100-200 lux, sufficient to ensure safety and convenience in the movement and arrangement of goods.<\/li>\n<\/ul>\n<div id=\"attachment_4275\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" aria-describedby=\"caption-attachment-4275\" class=\"wp-image-4275 size-full\" src=\"https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-13.jpg\" alt=\"Factory Lighting Illuminance Standards\" width=\"800\" height=\"533\" srcset=\"https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-13.jpg 800w, https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-13-300x200.jpg 300w, https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-13-768x512.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><p id=\"caption-attachment-4275\" class=\"wp-caption-text\">Factory Lighting Illuminance Standards are Designed to Meet the Lighting Needs of Each Work Area<\/p><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Color_Rendering_Index_CRI_Standards\"><\/span>Color Rendering Index (CRI) Standards<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The Color Rendering Index (CRI) reflects the accuracy of colors when illuminated by light, and it is an important factor in factory lighting standards. The higher the CRI, the more accurately colors are displayed, making it easier for workers to identify and assess products.<\/p>\n<p>CRI Scale: CRI is measured on a scale from 1 to 100 (Ra).<\/p>\n<p>Critical areas such as production and quality control typically require a CRI of 80\u2013100 Ra to ensure high accuracy. Areas where color accuracy is less important, such as warehouses, can use lighting with a CRI ranging from 20\u201340 Ra, depending on the type of LED lights installed.<\/p>\n<div id=\"attachment_4264\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4264\" class=\"wp-image-4264 size-full\" src=\"https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-2.jpg\" alt=\"Color Rendering Index (CRI) Standards\" width=\"800\" height=\"533\" srcset=\"https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-2.jpg 800w, https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-2-300x200.jpg 300w, https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-2-768x512.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><p id=\"caption-attachment-4264\" class=\"wp-caption-text\">Color Rendering Index (CRI) Standards Reflect the Accuracy of Colors When Illuminated<\/p><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Illuminance_and_Glare_Distribution_Standards\"><\/span>Illuminance and Glare Distribution Standards<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The design of lighting in factories must comply with standards for the distribution of illuminance and glare, depending on the characteristics of the workplace, lighting conditions, and the function of each area. The standards for illuminance and glare distribution for specific factory areas are as follows:<\/p>\n<table>\n<tbody>\n<tr>\n<td rowspan=\"2\">No.<\/td>\n<td rowspan=\"2\">Lighting Area<\/td>\n<td colspan=\"3\">Lighting Quality Standards<\/td>\n<\/tr>\n<tr>\n<td>Illuminance (lux)<\/td>\n<td>Minimum CRI (Ra)<\/td>\n<td>Glare Limit Factor<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>Warehouse<\/td>\n<td>\u2265 100<\/td>\n<td>\u2265 60<\/td>\n<td>25<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Product Inspection and Sorting Area<\/td>\n<td>\u2265 500<\/td>\n<td>\u2265 80<\/td>\n<td>Low glare required<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>General Factory Space<\/td>\n<td>\u2265 200<\/td>\n<td>\u2265 80<\/td>\n<td>Not considered<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>Production Factory<\/td>\n<td>\u2265 300<\/td>\n<td>\u2265 80<\/td>\n<td>Not considered<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>Auxiliary Areas (Restrooms)<\/td>\n<td>\u2265 200<\/td>\n<td>\u2265 80<\/td>\n<td>25<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"Flicker_Reduction_Standards\"><\/span>Flicker Reduction Standards<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Flickering light can cause discomfort, impair vision, and affect workers&#8217; health. Additionally, flickering reduces productivity and product quality, and disrupts the production process.<\/p>\n<p>To mitigate this, businesses should prioritize using high-quality LED lights to ensure stable lighting and avoid flickering. Moreover, reliable power supply units should be selected to maintain a consistent power source and prevent flickering.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Environmental_Safety_Standards\"><\/span>Environmental Safety Standards<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li aria-level=\"1\">When selecting lighting for factories, priority should be given to lights that do not emit UV rays and do not cause glare, in order to protect workers&#8217; vision.<\/li>\n<li aria-level=\"1\">The lighting system should minimize heat emissions to avoid raising the temperature of the workspace, reduce the load on air conditioning systems, save energy costs, and ensure optimal working conditions.<\/li>\n<li aria-level=\"1\">Lights must be made from safe materials that do not contain harmful substances such as mercury or lead, in order to protect users&#8217; health and prevent environmental pollution in case the lights break or malfunction.<\/li>\n<\/ul>\n<div id=\"attachment_4274\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4274\" class=\"wp-image-4274 size-full\" src=\"https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-12.jpg\" alt=\"Environmental Safety Standards\" width=\"800\" height=\"533\" srcset=\"https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-12.jpg 800w, https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-12-300x200.jpg 300w, https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-12-768x512.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><p id=\"caption-attachment-4274\" class=\"wp-caption-text\">Priority to Choose Safe Lighting: UV-Free, Glare-Free, Low Heat Emission, and Non-Toxic<\/p><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Uniformity_Standards_in_Lighting\"><\/span>Uniformity Standards in Lighting<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Lighting uniformity is determined by the ratio between minimum illuminance and average illuminance. This helps ensure that light is evenly distributed across the working area, allowing workers to operate effectively without difficulty due to insufficient lighting.<\/p>\n<p>According to standards:<\/p>\n<ul>\n<li aria-level=\"1\">The working area should achieve a minimum uniformity ratio of 0.7.<\/li>\n<li aria-level=\"1\">The surrounding area of the workplace should have a minimum uniformity ratio of 0.5.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Method_for_Calculating_Factory_Lighting_Standards\"><\/span>Method for Calculating Factory Lighting Standards<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Calculation_Using_the_Utilization_Factor_Ksd\"><\/span>Calculation Using the Utilization Factor Ksd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The utilization factor Ksd is an important element in the design and calculation of lighting systems, particularly in industrial and factory spaces.<\/p>\n<p>This factor is used for factories with lighting areas greater than 10m\u00b2 and does not use the reflection index of walls for lighting calculations.<\/p>\n<p>The formula for calculating lighting standards with the utilization factor Ksd:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4263\" src=\"https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-1.jpg\" alt=\"\" width=\"92\" height=\"27\" \/><\/p>\n<ul>\n<li aria-level=\"1\">N: number of light fixtures installed<\/li>\n<li aria-level=\"1\">E: reflection coefficient of light on the working surface<\/li>\n<li aria-level=\"1\">A: factory area<\/li>\n<li aria-level=\"1\">F: total luminous flux<\/li>\n<li aria-level=\"1\">UF: utilization factor for each installed fixture<\/li>\n<li aria-level=\"1\">LLF: light loss factor<\/li>\n<\/ul>\n<p>From this formula, it is possible to derive the formula for calculating light intensity<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4268\" src=\"https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-6.jpg\" alt=\"\" width=\"42\" height=\"27\" \/>to achieve a complete lighting system.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Approximate_Factory_Lighting_Calculation_with_Fluorescent_Tubes\"><\/span>Approximate Factory Lighting Calculation with Fluorescent Tubes<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>To calculate approximate lighting for industrial factories using fluorescent tubes, you can apply the calculation method with the following standard parameters:<\/p>\n<p>Basic Parameters:<\/p>\n<ul>\n<li aria-level=\"1\">Fluorescent tubes: The power of each tube is 30W (2 tubes = 60W)<\/li>\n<li aria-level=\"1\">Luminous flux of each tube: 1230lm.<\/li>\n<li aria-level=\"1\">Illuminance coefficient: 100 lux.<\/li>\n<li aria-level=\"1\">Reflectance Coefficients:\n<ul>\n<li aria-level=\"2\">Dark ceiling: \u03c1tr = 0.7.<\/li>\n<li aria-level=\"2\">Neutral ceiling: \u03c1tr = 0.5.<\/li>\n<li aria-level=\"2\">Dark walls: \u03c1tg = 0.5.<\/li>\n<li aria-level=\"2\">Neutral walls: \u03c1tg = 0.3.<\/li>\n<\/ul>\n<\/li>\n<li aria-level=\"1\">Safety Factor (K):\n<ul>\n<li aria-level=\"2\">Direct sunlight: k = 1.3.<\/li>\n<li aria-level=\"2\">Indirect sunlight: k = 1.5.<\/li>\n<li aria-level=\"2\">Predominantly direct sunlight: k = 1.4.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Calculation Steps:<\/p>\n<ul>\n<li aria-level=\"1\">Determine the lighting area: The lighting area should be \u2265 4 m\u00b2, with an average area of 2 m\u00b2, or a small room \u2264 1 m\u00b2.<\/li>\n<li aria-level=\"1\">Ceiling height: Measure the distance from the ground to the ceiling of the factory.<\/li>\n<li aria-level=\"1\">Apply the formula: <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4269\" src=\"https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-7.jpg\" alt=\"\" width=\"114\" height=\"27\" \/><\/li>\n<\/ul>\n<p>Where:<\/p>\n<ul>\n<li aria-level=\"2\">E is the required illuminance (lux)<\/li>\n<li aria-level=\"2\">Q is the total luminous flux of the lamp.<\/li>\n<li aria-level=\"2\">K is the safety factor.<\/li>\n<li aria-level=\"2\">ptr, gtg are the reflectance coefficients of the ceiling and walls.<\/li>\n<li aria-level=\"2\">A is the area to be illuminated<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Lighting_Calculation_for_Industrial_Factories_by_Point\"><\/span>Lighting Calculation for Industrial Factories by Point<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The method of calculating lighting for factories by point is an important technique when designing lighting for spaces that require high lighting standards, such as in electronics manufacturing, assembly, etc.<\/p>\n<p>Factors to Determine:<\/p>\n<ul>\n<li aria-level=\"1\">Illuminance on a horizontal plane (Eng)<\/li>\n<li aria-level=\"1\">Illuminance on a vertical plane (Edd)<\/li>\n<li aria-level=\"1\">Illuminance on an inclined plane (Engh)<\/li>\n<\/ul>\n<p>Calculation Procedure for Point Method:<\/p>\n<ul>\n<li aria-level=\"1\">First, the lighting designer selects a fixed point in the workspace, called point A. This point is used to calculate the illuminance and the distance to the light sources.<\/li>\n<li aria-level=\"1\">Next, the distance from point A to the light source in the factory (R) is determined to assess the lighting level at that point.<\/li>\n<\/ul>\n<p>Apply the illuminance formula::<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4270\" src=\"https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-8.jpg\" alt=\"\" width=\"45\" height=\"27\" \/>\u00a0ho\u1eb7c <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4271\" src=\"https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-9.jpg\" alt=\"\" width=\"49\" height=\"30\" \/><\/p>\n<p>Where:<\/p>\n<ul>\n<li aria-level=\"1\">E is the illuminance (lux).<\/li>\n<li aria-level=\"1\">F\u00a0 is the luminous flux (lumen) of the lamp.<\/li>\n<li aria-level=\"1\">S is the lighting area (m\u00b2).<\/li>\n<li aria-level=\"1\">I is the illuminance intensity (lumen\/m\u00b2).<\/li>\n<li aria-level=\"1\">R is the distance from the light point to the calculation point (m).<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Approximate_Calculation_Method\"><\/span>Approximate Calculation Method<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The approximate calculation method is especially suitable for small-scale factories with limited space. This method has high accuracy, helping to optimize the use of lighting fixtures in small spaces. To apply this method, focus on two main factors:<\/p>\n<ul>\n<li aria-level=\"1\">Determine the required lighting power density for each unit of room area (W\/m\u00b2).<\/li>\n<li aria-level=\"1\">Calculate the number of lamps needed, and specify the type of lamp, power, and ceiling height.<\/li>\n<\/ul>\n<p>The formula for calculation:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4272\" src=\"https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-10.jpg\" alt=\"\" width=\"91\" height=\"24\" \/><\/p>\n<p>Where:<\/p>\n<ul>\n<li aria-level=\"1\">Pt\u1ed5ng\u00a0 is the total required lighting power for the workshop (W).<\/li>\n<li aria-level=\"1\">P is the required lighting power per square meter (W\/m\u00b2).<\/li>\n<li aria-level=\"1\">S is the workshop area that needs to be illuminated (m\u00b2).<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Second_Approximate_Calculation_Method\"><\/span>Second Approximate Calculation Method<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The second approximate calculation method is an improved version of the traditional lighting calculation method, focusing on using data from available tables to simplify the lighting system design process.<\/p>\n<p>This method uses standard data tables to determine the illuminance E without further adjustments unless the actual value does not match. In such cases, the power (W\/m\u00b2) will be adjusted to meet the required levels, with an initial reference value of 100 W\/m\u00b2.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Lighting_Calculation_Using_Lighting_Design_Software\"><\/span>Lighting Calculation Using Lighting Design Software<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Lighting design software is a method that uses specialized tools to simulate and optimize the lighting system in buildings, ensuring high accuracy and saving time compared to manual calculations.<\/p>\n<p>Some lighting design software you can refer to:<\/p>\n<table>\n<tbody>\n<tr>\n<td>Software Name<\/td>\n<td>Lighting Calculation and Detailed Technical Parameters<\/td>\n<td>Indoor\/Outdoor Lighting Planning and Calculation<\/td>\n<td>Free\/Paid<\/td>\n<\/tr>\n<tr>\n<td>DIALux<\/td>\n<td><\/td>\n<td>x<\/td>\n<td>Free<\/td>\n<\/tr>\n<tr>\n<td>Luxicon<\/td>\n<td>x<\/td>\n<td>x<\/td>\n<td>Free<\/td>\n<\/tr>\n<tr>\n<td>Visual<\/td>\n<td>x<\/td>\n<td>x<\/td>\n<td>Paid<\/td>\n<\/tr>\n<tr>\n<td>Calculux<\/td>\n<td>x<\/td>\n<td><\/td>\n<td>Free<\/td>\n<\/tr>\n<tr>\n<td>Caculux Road<\/td>\n<td>x<\/td>\n<td><\/td>\n<td>Free<\/td>\n<\/tr>\n<tr>\n<td>DIALux evo 9.1<\/td>\n<td><\/td>\n<td>x<\/td>\n<td>Free<\/td>\n<\/tr>\n<tr>\n<td>EUROPIC<\/td>\n<td><\/td>\n<td>x<\/td>\n<td>Free<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>In this article, KTG Industrial has shared detailed information about factory lighting standards. Designing a lighting system that meets these standards not only optimizes the working environment but also reduces operational costs.<\/p>\n<p>As a leading company in the industrial real estate sector, KTG Industrial is committed to providing factory and warehouse solutions, offering pre-built and custom-built options that not only meet lighting standards but also optimize usage efficiency. Contact us now for a detailed consultation!<\/p>\n<div id=\"attachment_4273\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4273\" class=\"wp-image-4273 size-full\" src=\"https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-11.jpg\" alt=\"KTG Industrial - Leading Industrial Real Estate Solutions in Vietnam\" width=\"800\" height=\"533\" srcset=\"https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-11.jpg 800w, https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-11-300x200.jpg 300w, https:\/\/ktgindustrial.com\/wp-content\/uploads\/2025\/02\/factory-lighting-standards-11-768x512.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><p id=\"caption-attachment-4273\" class=\"wp-caption-text\">KTG Industrial &#8211; Leading Industrial Real Estate Solutions in Vietnam<\/p><\/div>\n<p>T\u00e0i li\u1ec7u tham kh\u1ea3o:<\/p>\n<p>[1] Caselaw. (2015). Caselaw.vn. https:\/\/caselaw.vn\/van-ban-phap-luat\/254096-tieu-chuan-viet-nam-tcvn-7114-1-2008-iso-8995-1-2002-cor-1-2005-ve-ecgonomi-chieu-sang-noi-lam-viec-phan-1-trong-nha-nam-2008<\/p>\n","protected":false},"author":5,"featured_media":4266,"template":"","class_list":["post-4262","new","type-new","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.0 (Yoast SEO v24.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Lighting Standards for Factory<\/title>\n<meta name=\"description\" content=\"Factory lighting standards are guidelines for designing lighting systems that ensure safety and efficiency in industrial environments.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ktgindustrial.com\/new\/factory-lighting-standards\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" 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