{"id":7597,"date":"2025-11-20T15:45:00","date_gmt":"2025-11-20T14:45:00","guid":{"rendered":"https:\/\/www.voltwork.fr\/?p=7597"},"modified":"2026-03-23T09:28:35","modified_gmt":"2026-03-23T08:28:35","slug":"electrical-maintenance","status":"publish","type":"post","link":"https:\/\/www.voltwork.fr\/en\/nf-c18-510-standard\/electrical-maintenance\/","title":{"rendered":"Electrical Maintenance: Guide to Procedures &#038; Authorizations"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Electrical maintenance encompasses all servicing, inspection and repair operations carried out on an electrical installation to ensure its proper functioning, safety and regulatory compliance. It comes in two types: preventive maintenance (scheduled inspections) and corrective maintenance (interventions following a fault). Any technician working on such equipment must hold the appropriate electrical authorizations, particularly <a href=\"https:\/\/www.voltwork.fr\/en\/electrical-authorization-training-center\/electrical-authorization-training-b1-b2-br-bc\/\">BR authorization<\/a> for troubleshooting operations, as specified by the NF C18-510 standard.<\/p>\n\n\n\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table des mati\u00e8res<\/p>\n<span class=\"ez-toc-title-toggle\"><\/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.voltwork.fr\/en\/nf-c18-510-standard\/electrical-maintenance\/#What_is_electrical_maintenance\" >What is electrical maintenance?<\/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.voltwork.fr\/en\/nf-c18-510-standard\/electrical-maintenance\/#How_to_prevent_electrical_faults\" >How to prevent electrical faults?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.voltwork.fr\/en\/nf-c18-510-standard\/electrical-maintenance\/#What_are_the_electrical_risks\" >What are the electrical risks?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.voltwork.fr\/en\/nf-c18-510-standard\/electrical-maintenance\/#What_are_the_steps_of_electrical_maintenance\" >What are the steps of electrical maintenance?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.voltwork.fr\/en\/nf-c18-510-standard\/electrical-maintenance\/#How_to_ensure_proper_electrical_functioning\" >How to ensure proper electrical functioning?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.voltwork.fr\/en\/nf-c18-510-standard\/electrical-maintenance\/#What_training_is_needed_for_electrical_maintenance\" >What training is needed for electrical maintenance?<\/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.voltwork.fr\/en\/nf-c18-510-standard\/electrical-maintenance\/#How_to_choose_an_electrical_maintenance_technician\" >How to choose an electrical maintenance technician?<\/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.voltwork.fr\/en\/nf-c18-510-standard\/electrical-maintenance\/#FAQ_Electrical_Maintenance\" >FAQ: Electrical Maintenance<\/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.voltwork.fr\/en\/nf-c18-510-standard\/electrical-maintenance\/#Conclusion_safety_and_performance_through_maintenance\" >Conclusion: safety and performance through maintenance<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_electrical_maintenance\"><\/span>What is electrical maintenance?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"518\" src=\"https:\/\/www.voltwork.fr\/wp-content\/uploads\/2025\/12\/maintenance-electrique.jpg\" alt=\"Technician performing electrical maintenance while wearing PPE\" class=\"wp-image-5836\" style=\"width:662px;height:auto\" srcset=\"https:\/\/www.voltwork.fr\/wp-content\/uploads\/2025\/12\/maintenance-electrique.jpg 1024w, https:\/\/www.voltwork.fr\/wp-content\/uploads\/2025\/12\/maintenance-electrique-300x152.jpg 300w, https:\/\/www.voltwork.fr\/wp-content\/uploads\/2025\/12\/maintenance-electrique-768x389.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Electrical maintenance involves carrying out technical operations on installations to prevent failures, detect malfunctions and ensure compliance with standards. It applies to Low Voltage equipment (up to 1,000V AC) as well as High Voltage systems in industrial environments.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Preventive maintenance<\/strong>: this planned approach aims to anticipate faults. It includes cleaning electrical panels, checking connections, measuring insulation and replacing worn parts before failure.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Corrective maintenance<\/strong>: this takes place after a fault to diagnose the root cause and carry out the repair. For example, a technician replaces a defective relay following a power outage. This intervention requires precise circuit analysis to identify the faulty component.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_prevent_electrical_faults\"><\/span>How to prevent electrical faults?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Preventing faults relies on a rigorous preventive maintenance strategy. A regular intervention schedule significantly reduces the risks of production downtime or malfunction.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Systematic inspections<\/strong>: schedule quarterly checks to verify the condition of connections, look for signs of overheating and test protective devices. A digital meter can monitor consumption and detect anomalies (overconsumption = potential fault).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Equipment monitoring<\/strong>: use sensors to monitor the temperature of electrical switchboards. An abnormal rise indicates a ventilation problem or overload. The technician can then intervene before the fault occurs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Anticipatory replacement<\/strong>: replace components according to the manufacturer&#8217;s stated lifespan. An industrial fuse has an average lifespan of 10 years. Replacing it at 8 years avoids a failure during operation.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Type of intervention<\/strong><\/th><th><strong>Recommended frequency<\/strong><\/th><th><strong>Objective<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Visual inspection<\/td><td>Monthly<\/td><td>Detect signs of wear<\/td><\/tr><tr><td>Circuit breaker testing<\/td><td>Quarterly<\/td><td>Verify protection<\/td><\/tr><tr><td>Infrared thermography<\/td><td>Annual<\/td><td>Identify hot spots<\/td><\/tr><tr><td>Insulation testing<\/td><td>Annual<\/td><td>Prevent short circuits<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_the_electrical_risks\"><\/span>What are the electrical risks?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Electrical risk is the primary hazard during interventions. It manifests through two main phenomena: electric shock (electrification or electrocution) and electrical fire.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Direct contact risk<\/strong>: touching a live conductor causes current to flow through the body. A voltage of 230V AC can be fatal. <a href=\"https:\/\/www.voltwork.fr\/en\/nf-c18-510-standard\/ppe-electrical-authorization\/\">Personal protective equipment<\/a> (insulating gloves, face shield) is mandatory.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Indirect contact risk<\/strong>: an insulation failure puts a metallic enclosure under voltage. A user touching a faulty appliance receives a shock. Grounding and residual current devices (30mA) protect against this hazard.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Fire risk<\/strong>: an overload or short circuit generates heat. If the temperature exceeds the ignition point of insulating materials, a fire breaks out. Preventive maintenance detects these thermal anomalies.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Regulatory prevention<\/strong>: the French Labour Code requires electrical authorization for all personnel intervening. This certification attests to mastery of safety rules and intervention procedures. A maintenance electrician must, for example, hold BR authorization to carry out Low Voltage troubleshooting.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_are_the_steps_of_electrical_maintenance\"><\/span>What are the steps of electrical maintenance?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A maintenance intervention follows a structured process to ensure the safety of occupants and the effectiveness of the operation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. Planning<\/strong>: define the intervention scope, consult electrical diagrams and prepare tools. The technician identifies the circuits involved and the protective measures to implement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. Lockout\/Tagout<\/strong>: according to the NF C18-510 standard, any Low Voltage intervention requires de-energization. The <a href=\"https:\/\/www.voltwork.fr\/en\/electrical-authorization-guides\/electrical-lockout-steps\/\">lockout steps<\/a> include: separation, locking, identification, Voltage Absence Test (VAT) and grounding.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. Inspection<\/strong>: visually examine the condition of equipment, look for overheating traces, check connection tightness. A measuring instrument tests insulation and circuit continuity.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4. Troubleshooting or servicing<\/strong>: replace defective parts, clean contacts, retighten terminals. For troubleshooting, diagnose the root cause (component, wiring, protection).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5. Testing and recommissioning<\/strong>: carry out functional tests, verify protection compliance and write the intervention report. This traceability is essential for installation monitoring.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_ensure_proper_electrical_functioning\"><\/span>How to ensure proper electrical functioning?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ensuring the proper functioning of an electrical installation relies on a comprehensive approach combining preventive maintenance, service contracts and staff training.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Maintenance contract<\/strong>: subscribing to an agreement with a specialized company ensures regular planned interventions. This service typically includes 2 to 4 annual visits, telephone support and priority troubleshooting in case of fault.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Intervention management<\/strong>: use a digital management solution to track each operation. This database records fault history, replaced parts and measurements taken. Analysis of this data helps improve the maintenance strategy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Regulatory updates<\/strong>: compliance with current standards (NF C 15-100, NF C 13-200) is mandatory. Many older installations require updating to meet current safety requirements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>User awareness<\/strong>: train staff to detect warning signs of a fault (burning smell, frequent tripping, flickering). This collective vigilance reduces the consequences of a failure.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_training_is_needed_for_electrical_maintenance\"><\/span>What training is needed for electrical maintenance?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Becoming an electrical maintenance professional requires a training pathway combining qualifications, authorizations and practical experience.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Basic qualifications<\/strong>: the <a href=\"https:\/\/www.onisep.fr\/ressources\/univers-formation\/formations\/lycees\/cap-electricien\">CAP \u00c9lectricien<\/a> (French vocational certificate) is the entry level. To access the technician role, a Bac Pro MELEC (Electrical Trades and Connected Environments) or a BTS in Electrical Engineering is recommended. A DUT in Electrical Engineering (now BUT) offers more advanced training with work-study options.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Mandatory authorizations<\/strong>: any intervention on an electrical installation requires an authorization appropriate to the type of work. The main certifications are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H0B0 for non-electricians working near live bare parts<\/li>\n\n\n\n<li>BS for elementary interventions<\/li>\n\n\n\n<li>BR for general troubleshooting<\/li>\n\n\n\n<li>B1V\/B2V for electrical work in the vicinity of live parts<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Duration and recertification<\/strong>: initial training lasts between 2 and 5 days depending on the authorization level. <a href=\"https:\/\/www.voltwork.fr\/en\/electrical-authorization-training-center\/low-voltage-electrical-authorization-refresher-training\/\">Recertification<\/a> is mandatory every 3 years to maintain skills and update regulatory knowledge.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_choose_an_electrical_maintenance_technician\"><\/span>How to choose an electrical maintenance technician?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Choosing a qualified technician is key to the safety and longevity of your installation. Several criteria help evaluate the competence of a professional or service company.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Qualification verification<\/strong>: require presentation of a valid electrical authorization certificate. A technician working on Low Voltage must hold at minimum BR authorization.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Sector experience<\/strong>: a professional with industrial expertise understands production constraints and availability requirements. Request references from sites similar to yours.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Service contract<\/strong>: prefer a company offering a maintenance package including planned preventive interventions. This document must specify the scope, visit frequency, fault response times and billing terms.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Appropriate equipment<\/strong>: a certified technician has calibrated measuring equipment (multimeter, clamp meter, insulation tester) and compliant protective equipment. A workshop vehicle with spare parts stock ensures efficient intervention.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Professional insurance<\/strong>: verify that the company holds professional liability insurance covering damages related to electrical interventions. This guarantee protects the client in case of an incident.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQ_Electrical_Maintenance\"><\/span>FAQ: Electrical Maintenance<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<div class=\"gb-accordion\"><\/div>\n\n\n\n<div class=\"gb-accordion\">\n<div class=\"gb-accordion__item gb-accordion__item-ddd60cec\">\n<div role=\"button\" tabindex=\"0\" class=\"gb-accordion__toggle gb-accordion__toggle-d43499d9\" id=\"gb-accordion-toggle-d43499d9\">\n<span class=\"gb-text\">What authorization is required to replace a circuit breaker?<\/span>\n\n\n\n<span class=\"gb-accordion__toggle-icon gb-accordion__toggle-icon-da452569\"><span class=\"gb-accordion__toggle-icon-open\"><svg aria-hidden=\"true\" viewBox=\"0 0 256 256\"><rect width=\"256\" height=\"256\" fill=\"none\" \/><polyline points=\"208 96 128 176 48 96\" fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"16\" \/><\/svg><\/span><span class=\"gb-accordion__toggle-icon-close\"><svg aria-hidden=\"true\" viewBox=\"0 0 256 256\"><rect width=\"256\" height=\"256\" fill=\"none\" \/><polyline points=\"48 160 128 80 208 160\" fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"16\" \/><\/svg><\/span><\/span>\n<\/div>\n\n\n\n<div class=\"gb-accordion__content\" id=\"gb-accordion-content-d05a8d95\">\n<div class=\"gb-element-da9adf31\">\n<p class=\"wp-block-paragraph\">Replacing a circuit breaker requires BS authorization for a simple intervention, or BR for more complex troubleshooting.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"gb-accordion\">\n<div class=\"gb-accordion__item gb-accordion__item-d604a53b\">\n<div role=\"button\" tabindex=\"0\" class=\"gb-accordion__toggle gb-accordion__toggle-d4e12e55\" id=\"gb-accordion-toggle-d4e12e55\">\n<span class=\"gb-text\">Who issues the electrical authorization certificate for a maintenance technician?<\/span>\n\n\n\n<span class=\"gb-accordion__toggle-icon gb-accordion__toggle-icon-da05041c\"><span class=\"gb-accordion__toggle-icon-open\"><svg aria-hidden=\"true\" viewBox=\"0 0 256 256\"><rect width=\"256\" height=\"256\" fill=\"none\" \/><polyline points=\"208 96 128 176 48 96\" fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"16\" \/><\/svg><\/span><span class=\"gb-accordion__toggle-icon-close\"><svg aria-hidden=\"true\" viewBox=\"0 0 256 256\"><rect width=\"256\" height=\"256\" fill=\"none\" \/><polyline points=\"48 160 128 80 208 160\" fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"16\" \/><\/svg><\/span><\/span>\n<\/div>\n\n\n\n<div class=\"gb-accordion__content\" id=\"gb-accordion-content-d93232a9\">\n<div class=\"gb-element-d44ef3fe\">\n<p class=\"wp-block-paragraph\">It is the employer <a href=\"https:\/\/www.voltwork.fr\/en\/electrical-authorization-guides\/who-issues-electrical-authorization\/\">who issues the electrical authorization<\/a> after validation of training by a certified body.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"gb-accordion\">\n<div class=\"gb-accordion__item gb-accordion__item-dd316a79\">\n<div role=\"button\" tabindex=\"0\" class=\"gb-accordion__toggle gb-accordion__toggle-d3dde6a9\" id=\"gb-accordion-toggle-d3dde6a9\">\n<span class=\"gb-text\">Who can perform the full Low Voltage lockout procedure?<\/span>\n\n\n\n<span class=\"gb-accordion__toggle-icon gb-accordion__toggle-icon-d4d9634e\"><span class=\"gb-accordion__toggle-icon-open\"><svg aria-hidden=\"true\" viewBox=\"0 0 256 256\"><rect width=\"256\" height=\"256\" fill=\"none\" \/><polyline points=\"208 96 128 176 48 96\" fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"16\" \/><\/svg><\/span><span class=\"gb-accordion__toggle-icon-close\"><svg aria-hidden=\"true\" viewBox=\"0 0 256 256\"><rect width=\"256\" height=\"256\" fill=\"none\" \/><polyline points=\"48 160 128 80 208 160\" fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"16\" \/><\/svg><\/span><\/span>\n<\/div>\n\n\n\n<div class=\"gb-accordion__content\" id=\"gb-accordion-content-d73c6c91\">\n<div class=\"gb-element-da3d69ad\">\n<p class=\"wp-block-paragraph\">Only a professional holding <a href=\"https:\/\/www.voltwork.fr\/en\/electrical-authorization-training-center\/bc-authorization-lockout-officer\/\">BC authorization<\/a> can perform a Low Voltage lockout.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion_safety_and_performance_through_maintenance\"><\/span>Conclusion: safety and performance through maintenance<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Electrical maintenance is an essential investment to ensure personnel safety, operational continuity and regulatory compliance. A strategy combining regular preventive interventions and responsiveness in case of fault minimizes long-term costs and extends the lifespan of installations.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Whether you are an industrial company, a commercial site manager or an individual, engaging a qualified professional and training your teams in safety best practices remains the best protection against electrical risks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Complete guide to electrical maintenance: preventive and corrective procedures, required authorizations, risks, training and best practices.<\/p>\n","protected":false},"author":2,"featured_media":5849,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,37],"tags":[],"class_list":["post-7597","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electrical-authorization-guides","category-nf-c18-510-standard","infinite-scroll-item","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-33"],"_generate_element_type":null,"_generate_element_display_conditions":null,"_generate_hook":null,"sous_titre_hero_2":null,"zone_intervention":null,"titre_format_de_formation":null,"format_formation":null,"_generate-full-width-content":null,"_generate-disable-headline":null,"_yoast_wpseo_metadesc":"Electrical maintenance guide: preventive and corrective procedures, required authorizations (BR, BC, B1V) and training.","sous-titre":null,"image_hero":null,"h1_villes":null,"h2_catalogue":null,"sous_titre_catalogue":null,"presentation_voltwork":null,"se_former_aux_he":null,"objectif_h0b0":null,"objectif_bs_be":null,"objectif_b1_b2":null,"objectif_h1_h2":null,"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Electrical Maintenance: Guide to Procedures &amp; 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