{"id":9861,"date":"2025-11-29T12:39:31","date_gmt":"2025-11-29T04:39:31","guid":{"rendered":"https:\/\/www.wehopower.com\/?post_type=news&#038;p=9861"},"modified":"2026-08-31T14:18:30","modified_gmt":"2026-08-31T06:18:30","slug":"what-you-need-to-know-about-surge-protection-on-power-supplies","status":"publish","type":"news","link":"https:\/\/www.wehopower.com\/ru\/news\/what-you-need-to-know-about-surge-protection-on-power-supplies\/","title":{"rendered":"\u0427\u0442\u043e \u043d\u0443\u0436\u043d\u043e \u0437\u043d\u0430\u0442\u044c \u043e \u0437\u0430\u0449\u0438\u0442\u0435 \u043e\u0442 \u043f\u0435\u0440\u0435\u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f \u0432 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0430\u0445 \u043f\u0438\u0442\u0430\u043d\u0438\u044f"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 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:\/\/www.wehopower.com\/ru\/news\/what-you-need-to-know-about-surge-protection-on-power-supplies\/#Introduction\" >Introduction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.wehopower.com\/ru\/news\/what-you-need-to-know-about-surge-protection-on-power-supplies\/#What_Causes_Power_Surges_in_Outdoor_Industrial_Environments\" >What Causes Power Surges in Outdoor &amp; Industrial Environments?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.wehopower.com\/ru\/news\/what-you-need-to-know-about-surge-protection-on-power-supplies\/#Lightning_Surges_Direct_Indirect_Strike\" >Lightning Surges (Direct &amp; Indirect Strike)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.wehopower.com\/ru\/news\/what-you-need-to-know-about-surge-protection-on-power-supplies\/#Switching_Transients_Load_Switching_in_BuildingsFactories\" >Switching Transients (Load Switching in Buildings\/Factories)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.wehopower.com\/ru\/news\/what-you-need-to-know-about-surge-protection-on-power-supplies\/#Grid_Faults_Line_Short_Ground_Fault_Utility_Switching\" >Grid Faults (Line Short, Ground Fault, Utility Switching)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.wehopower.com\/ru\/news\/what-you-need-to-know-about-surge-protection-on-power-supplies\/#Understanding_Surge_Standards_IEC_61000-4-5_Explained_Simply\" >Understanding Surge Standards (IEC 61000-4-5 Explained Simply)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.wehopower.com\/ru\/news\/what-you-need-to-know-about-surge-protection-on-power-supplies\/#Types_of_Surge_Protection_Devices_SPD_Grades_Components\" >Types of Surge Protection Devices (SPD Grades &amp; Components)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.wehopower.com\/ru\/news\/what-you-need-to-know-about-surge-protection-on-power-supplies\/#Outdoor_LED_Power_Supply_Surge_Protection_Requirements\" >Outdoor LED Power Supply Surge Protection Requirements<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.wehopower.com\/ru\/news\/what-you-need-to-know-about-surge-protection-on-power-supplies\/#Where_to_Install_Surge_Protection_Internal_vs_External_SPD\" >Where to Install Surge Protection (Internal vs External SPD)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.wehopower.com\/ru\/news\/what-you-need-to-know-about-surge-protection-on-power-supplies\/#Internal_Surge_Protection_Inside_Power_Supply\" >Internal Surge Protection (Inside Power Supply)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.wehopower.com\/ru\/news\/what-you-need-to-know-about-surge-protection-on-power-supplies\/#External_SPD_Modules_Parallel_SPD_Box\" >External SPD Modules (Parallel SPD Box)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.wehopower.com\/ru\/news\/what-you-need-to-know-about-surge-protection-on-power-supplies\/#Combined_Protection_Best_Results\" >Combined Protection = Best Results<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.wehopower.com\/ru\/news\/what-you-need-to-know-about-surge-protection-on-power-supplies\/#How_to_Choose_the_Right_Surge_Protector_for_Your_Power_Supply_Paragraph_Form\" >How to Choose the Right Surge Protector for Your Power Supply (Paragraph Form)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.wehopower.com\/ru\/news\/what-you-need-to-know-about-surge-protection-on-power-supplies\/#Conclusion_and_WEHO_Offers\" >Conclusion and WEHO Offers<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.wehopower.com\/ru\/news\/what-you-need-to-know-about-surge-protection-on-power-supplies\/#FAQs%EF%BC%9A\" >FAQs\uff1a<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Introduction\"><\/span><span style=\"font-weight: 400;\">Introduction<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Outdoor power supplies work in harsh environments. They face lightning, unstable grids, long cable runs, and frequent switching loads. These conditions create voltage spikes that can damage or destroy power supplies and connected devices. For LED lighting, security systems, and outdoor cabinets, surge protection is no longer optional, it is a core requirement. Good surge protection helps prevent downtime, reduces replacement cost, and ensures your system stays safe during unexpected electrical events.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Causes_Power_Surges_in_Outdoor_Industrial_Environments\"><\/span><span style=\"font-weight: 400;\">What Causes Power Surges in Outdoor &amp; Industrial Environments?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Power surges come from multiple sources. Some are caused by nature. Others come from the power grid or from equipment inside a building. Understanding these sources helps you choose the right protection.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Lightning_Surges_Direct_Indirect_Strike\"><\/span><span style=\"font-weight: 400;\">Lightning Surges (Direct &amp; Indirect Strike)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Lightning does not need to hit the pole directly to cause damage. A strike nearby can still induce a strong surge through long cables. This is the biggest risk for street lights, tunnel lights, outdoor LED drivers, and base-station cabinets.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Switching_Transients_Load_Switching_in_BuildingsFactories\"><\/span><span style=\"font-weight: 400;\">Switching Transients (Load Switching in Buildings\/Factories)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Large motors, pumps, and HVAC units cause voltage spikes when they turn on and off. These switching transients travel through the electrical system and can stress power supplies over time.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Grid_Faults_Line_Short_Ground_Fault_Utility_Switching\"><\/span><span style=\"font-weight: 400;\">Grid Faults (Line Short, Ground Fault, Utility Switching)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Short circuits, ground faults, or utility switching events can cause sudden voltage jumps. Outdoor systems connected to long or exposed cables face higher risk because surges can travel further without being absorbed.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Understanding_Surge_Standards_IEC_61000-4-5_Explained_Simply\"><\/span><span style=\"font-weight: 400;\">Understanding Surge Standards (IEC 61000-4-5 Explained Simply)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">IEC 61000-4-5 is the most commonly used surge immunity test. It tells you how well a power supply can handle a high-energy spike. The test simulates a real surge using an 8\/20 \u03bcs or 1.2\/50 \u03bcs waveform. A higher rating means the power supply can survive bigger surges. Outdoor LED drivers typically need 4kV\u201310kV surge protection, depending on local lightning levels.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Types_of_Surge_Protection_Devices_SPD_Grades_Components\"><\/span><span style=\"font-weight: 400;\">Types of Surge Protection Devices (SPD Grades &amp; Components)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">(Different types of SPD (surge protection device) are used for different levels of protection. They work together to absorb, divert, or clamp voltage to keep the power supply safe.)\u522a<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">SPD Type \/ Component<\/span><\/td>\n<td><span style=\"font-weight: 400;\">What It Does<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Where It Is Used<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Protection Level<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Type 1 SPD<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Handles strong lightning surges<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Main power entry<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Very High<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Type 2 SPD<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Handles switching surges<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Distribution panel<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Medium<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Type 3 SPD<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Protects sensitive electronics<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Close to device<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Low<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">MOV<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Absorbs high surge voltage<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Inside PSUs<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Surge absorption<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">GDT<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Handles extreme lightning currents<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Outdoor poles<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Very high<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">TVS Diode<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Protects small circuits<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PCB\/output stage<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Fast response<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Surge protection devices come in different levels because each one is designed to stop a different type of surge. Type 1 SPDs are the highest level and are made for areas with strong lightning exposure, especially outdoor poles and roadside cabinets. They can handle very large surge currents from direct or nearby strikes. Type 2 SPDs are used inside buildings and factory panels. They protect against switching surges caused by motors, compressors, and grid fluctuations. Type 3 SPDs provide the final layer of protection and are installed close to the end device such as an LED driver or a small power supply. They handle small, fast voltage spikes that can slowly damage electronics. Each SPD also uses different internal components. MOVs are the most common and absorb high-voltage surges. GDTs are used in heavy-duty lightning environments and create a discharge path for extremely high current. TVS diodes react very fast and protect sensitive circuits. When these components work together, they provide a full protection system that blocks lightning surges, switching spikes, and grid faults.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Outdoor_LED_Power_Supply_Surge_Protection_Requirements\"><\/span><span style=\"font-weight: 400;\">Outdoor LED Power Supply Surge Protection Requirements<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Outdoor LED drivers need stronger surge protection than indoor models. Weather conditions, long cable distance, and exposed installations increase risk.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\"> A good outdoor LED power supply should include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Surge rating of 4kV\u201310kV<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">MOV + GDT + TVS diode combination<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Strong grounding points<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Reinforced insulation on AC input<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">High IP rating for moisture protection<\/span>&nbsp;<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">These features help extend the lifespan of street lights, tunnel lights, parking lot lighting, and outdoor signage.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Where_to_Install_Surge_Protection_Internal_vs_External_SPD\"><\/span><span style=\"font-weight: 400;\">Where to Install Surge Protection (Internal vs External SPD)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Surge protection works best when placed at multiple points in the system. Internal and external SPD can work together to offer complete protection.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Internal_Surge_Protection_Inside_Power_Supply\"><\/span><span style=\"font-weight: 400;\">Internal Surge Protection (Inside Power Supply)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Many outdoor LED power supplies include internal MOVs or TVS diodes. This protects against small-to-medium surges directly at the device. It is convenient and does not need extra wiring.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"External_SPD_Modules_Parallel_SPD_Box\"><\/span><span style=\"font-weight: 400;\">External SPD Modules (Parallel SPD Box)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">External SPD units are installed near the power source or distribution point. They are designed to handle large lightning surges before the power supply is exposed.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Combined_Protection_Best_Results\"><\/span><span style=\"font-weight: 400;\">Combined Protection = Best Results<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Using both internal and external SPD provides the highest reliability. The external SPD absorbs most of the energy, while the internal protection handles the remaining small peak.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_to_Choose_the_Right_Surge_Protector_for_Your_Power_Supply_Paragraph_Form\"><\/span><span style=\"font-weight: 400;\">How to Choose the Right Surge Protector for Your <a href=\"https:\/\/www.wehopower.com\/products\" target=\"_blank\" rel=\"noopener\">Power Supply<\/a> (Paragraph Form)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Choosing the right surge protector depends on where the power supply is used and the type of equipment connected. For outdoor applications like street lights and tunnel lighting, you normally need a Type 2 and Type 3 SPD combination with a surge rating of at least 6kV\u201310kV, because these systems face frequent lightning and long cable runs. In industrial buildings, a Type 2 SPD is usually enough since most surges come from switching loads such as motors and HVAC equipment. When comparing products, look for clear IEC 61000-4-5 surge test data so you know the protection level is real and certified. If the installation is outdoors, make sure the SPD has a waterproof housing rated IP65 or IP67. You should also match the SPD\u2019s voltage rating with your power supply\u2019s input\u2014whether it\u2019s 120V, 230V, 277V, or 380V\u2014to avoid mismatch issues. Finally, proper grounding is critical because even the best SPD cannot work correctly if the surge energy has nowhere to go.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion_and_WEHO_Offers\"><\/span><span style=\"font-weight: 400;\">Conclusion and WEHO Offers<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Surge protection is essential for any outdoor or industrial power system. Whether you are designing LED street lights, tunnel lighting, communication cabinets, or outdoor equipment, the right SPD helps prevent failure and keeps your system safe under harsh conditions. A well-protected power supply lasts longer, reduces maintenance cost, and improves overall reliability.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">WEHO provides power supplies designed with strong surge protection, including models for outdoor LED lighting and industrial use:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Waterproof XLG Series (IP67) \u2013 25W~1200W, strong surge protection, ideal for outdoor LED drivers.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Waterproof HLG Series \u2013 Constant current\/voltage with built-in PFC and outdoor surge protection.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ultra-Thin WL Series \u2013 Aluminum housing power supplies for harsh environments.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">LRS &amp; S Series \u2013 Industrial-grade AC\/DC power supplies with surge and overload protection.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">With WEHO\u2019s wide range of products, you can build outdoor systems that stay stable even under lightning, grid faults, and switching surges.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQs%EF%BC%9A\"><\/span>FAQs\uff1a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<article class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" tabindex=\"-1\" data-turn-id=\"request-WEB:6ecd2c1d-a431-4707-a3ff-203a47ab6be2-54\" data-testid=\"conversation-turn-2\" data-scroll-anchor=\"true\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] thread-sm:[--thread-content-margin:--spacing(6)] thread-lg:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:40rem] thread-lg:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\">\n<div class=\"flex max-w-full flex-col grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+&amp;]:mt-1\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"67322b47-fd83-4573-8388-695461cc92b7\" data-message-model-slug=\"gpt-5-mini\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\">\n<div class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\">\n<p data-start=\"2\" data-end=\"161\"><strong data-start=\"2\" data-end=\"56\" data-is-only-node=\"\">Q1\uff1aWhat should you never plug into a surge protector?<\/strong><br data-start=\"56\" data-end=\"59\" \/>High-power appliances like refrigerators, microwaves, space heaters, or anything with a large motor.<\/p>\n<p data-start=\"165\" data-end=\"325\"><strong data-start=\"165\" data-end=\"223\" data-is-only-node=\"\">Q2\uff1aIs it okay to leave a surge protector on all the time?<\/strong><br data-start=\"223\" data-end=\"226\" \/>Yes, it\u2019s generally safe, but it can wear out over time and may need replacement every few years.<\/p>\n<p data-start=\"329\" data-end=\"375\"><strong data-start=\"329\" data-end=\"373\" data-is-only-node=\"\">Q3\uff1aWhat are the rules for surge protectors?<\/strong><\/p>\n<ol>\n<li data-start=\"381\" data-end=\"428\">Don\u2019t exceed the maximum wattage or amperage.<\/li>\n<li data-start=\"434\" data-end=\"483\">Use for electronics, not high-power appliances.<\/li>\n<li data-start=\"489\" data-end=\"538\">Replace after a major surge or every few years.<\/li>\n<li data-start=\"544\" data-end=\"585\">Avoid daisy-chaining multiple protectors.<\/li>\n<\/ol>\n<p data-start=\"589\" data-end=\"642\"><strong data-start=\"589\" data-end=\"640\" data-is-only-node=\"\">Q4\uff1aWhat are the disadvantages of surge protectors?<\/strong><\/p>\n<ul>\n<li data-start=\"647\" data-end=\"666\">Limited lifespan.<\/li>\n<li data-start=\"671\" data-end=\"739\">Cannot protect against all surges (like direct lightning strikes).<\/li>\n<li data-start=\"744\" data-end=\"764\">Can fail silently.<\/li>\n<li data-start=\"769\" data-end=\"791\">Adds cost and clutter.<\/li>\n<\/ul>\n<p data-start=\"795\" data-end=\"956\" data-is-last-node=\"\"><strong data-start=\"795\" data-end=\"854\" data-is-only-node=\"\">Q5\uff1aIs turning off a power strip the same as unplugging it?<\/strong><br data-start=\"854\" data-end=\"857\" \/>No. Some standby electronics still draw power when the strip is off; unplugging fully cuts power.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"z-0 flex min-h-[46px] justify-start\"><\/div>\n<div class=\"mt-3 w-full empty:hidden\">\n<div class=\"text-center\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n<div class=\"pointer-events-none h-px w-px\" aria-hidden=\"true\" data-edge=\"true\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Introduction Outdoor power supplies work in harsh environments. They face lightning, unstable grids, long cable runs, and frequent switching loads. These conditions create voltage spikes that can damage or destroy power supplies and connected devices. For LED lighting, security systems, and outdoor cabinets, surge protection is no longer optional, it is a core requirement. Good&hellip; <a class=\"more-link\" href=\"https:\/\/www.wehopower.com\/ru\/news\/what-you-need-to-know-about-surge-protection-on-power-supplies\/\">Continue reading <span class=\"screen-reader-text\">\u0427\u0442\u043e \u043d\u0443\u0436\u043d\u043e \u0437\u043d\u0430\u0442\u044c \u043e \u0437\u0430\u0449\u0438\u0442\u0435 \u043e\u0442 \u043f\u0435\u0440\u0435\u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f \u0432 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0430\u0445 \u043f\u0438\u0442\u0430\u043d\u0438\u044f<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":9862,"parent":0,"menu_order":201,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_joinchat":[],"footnotes":""},"news_category":[149,148],"class_list":["post-9861","news","type-news","status-publish","format-standard","has-post-thumbnail","hentry","news_category-blog","news_category-industry-news","entry"],"acf":[],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.wehopower.com\/ru\/wp-json\/wp\/v2\/news\/9861","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wehopower.com\/ru\/wp-json\/wp\/v2\/news"}],"about":[{"href":"https:\/\/www.wehopower.com\/ru\/wp-json\/wp\/v2\/types\/news"}],"author":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/ru\/wp-json\/wp\/v2\/comments?post=9861"}],"version-history":[{"count":0,"href":"https:\/\/www.wehopower.com\/ru\/wp-json\/wp\/v2\/news\/9861\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/ru\/wp-json\/wp\/v2\/media\/9862"}],"wp:attachment":[{"href":"https:\/\/www.wehopower.com\/ru\/wp-json\/wp\/v2\/media?parent=9861"}],"wp:term":[{"taxonomy":"news_category","embeddable":true,"href":"https:\/\/www.wehopower.com\/ru\/wp-json\/wp\/v2\/news_category?post=9861"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}