Centre de ressources

EV technician verifying inverter capacitor discharge with a digital multimeter, highlighting DC-link capacitors, stored high-voltage energy, and the importance of voltage verification before service.
EV Inverter and Power Electronics Capacitor Discharge: What Technicians Need to Know
Why EV power-electronic capacitors can retain hazardous electrical energy after the traction battery has been isolated, how discharge systems work conceptually, why discharge time varies by platform, and why voltage... Lire plus...
Cutaway view of an electric vehicle showing the traction battery, inverter, motor, onboard charger, DC-DC converter, high-voltage distribution, and service hazard points.
EV High-Voltage System Architecture: Components, Circuit Topology, and Service Hazard Points
A technical foundation explaining how EV high-voltage systems are organized, how electrical energy moves through them, what the major components do, and where hazardous voltage or stored energy may exist... Lire plus...
EV fleet maintenance technician servicing high-voltage electric vehicle components, illustrating electrical safety, technician training, safe work practices, and fleet maintenance procedures.
Electrical Safety for EV Fleet Maintenance Programs
A practical electrical-safety framework for organizations maintaining fleets containing battery-electric, plug-in hybrid, and hybrid-electric vehicles. Covers technician qualification, vehicle-specific isolation and verification, hazardous-energy control, PPE and test equipment, damaged vehicles,... Lire plus...
Data center technician inspecting electrical infrastructure, including switchgear, UPS and battery systems, illustrating electrical safety standards for data center environments.
Electrical Safety Standards in Data Center Environments
A standards-integration authority for electrical safety in modern data centers. Explains which regulations and standards — OSHA 29 CFR 1910 Subpart S, §1910.147, NFPA 70, NFPA 70E, and NFPA 75... Lire plus...
Utility worker overlooking an electrical substation and transmission lines, illustrating OSHA 29 CFR 1910.269 safety requirements for electric power generation, transmission, and distribution.
29 CFR Part 1910.269 — Electric Power Generation, Transmission, and Distribution
A regulatory deep-dive into 29 CFR 1910.269 — OSHA's standard for operation and maintenance of electric power generation, transmission, and distribution lines and equipment. Covers scope, regulatory interfaces, training and... Lire plus...
Construction site electrical safety graphic illustrating OSHA 29 CFR Part 1926 Subpart K requirements for installations, work practices, maintenance, and special equipment.
29 CFR Part 1926 Subpart K — OSHA Electrical Safety Requirements for Construction
A regulatory deep-dive into 29 CFR Part 1926 Subpart K — OSHA's electrical safety standard for construction. Covers scope and applicability, installation safety requirements, GFCI vs. AEGCP ground-fault protection, temporary... Lire plus...
Arc flash PPE selection comparing incident energy analysis and PPE category methods, with an electrical worker in arc-rated protective equipment.
Arc Flash PPE Selection: Incident Energy vs. PPE Category Methods
NFPA 70E provides two distinct methods for selecting arc-flash PPE: incident energy analysis and the PPE category method. This article explains how each method works, when each applies, why they... Lire plus...
LOTO for industrial machinery showing a locked electrical disconnect, industrial equipment, multiple energy sources, and hazardous-energy control procedures.
LOTO for Industrial Machinery: Electrical Considerations
Industrial machinery combines multiple hazardous energy types simultaneously. A single main disconnect rarely controls them all. This article covers energy-source identification, what qualifies as an energy-isolating device, multiple electrical feeds,... Lire plus...
OSHA 29 CFR 1910.147 hazardous energy control standard featuring industrial lockout/tagout devices, energy isolation, and LOTO procedures.
29 CFR 1910.147: OSHA's Control of Hazardous Energy (Lockout/Tagout) Standard
An authoritative explanation of what 29 CFR 1910.147 — OSHA's Control of Hazardous Energy (Lockout/Tagout) standard — requires: scope and exceptions, energy control programs, lockout vs. tagout, authorized and affected... Lire plus...
LOTO for battery energy storage systems showing BESS equipment, DC isolation, lockout/tagout devices, and stored-energy safety controls.
LOTO for Battery Energy Storage Systems
Battery energy storage systems retain hazardous electrochemical energy even after AC disconnection. This guide explains why BESS LOTO requires identifying all energy sources, understanding AC vs. DC isolation boundaries, managing... Lire plus...
IEC 60900 and ASTM F1505 insulated tool procurement guide featuring electrical safety standards, 1000V insulated tools, and a procurement checklist.
IEC 60900 vs. ASTM F1505: Procurement and Specification Guide
A practical procurement guide for professionals who specify, approve, purchase, or receive insulated hand tools — covering when to specify IEC 60900, ASTM F1505, or both; how to write a... Lire plus...
ASTM F1505-16(2026) insulated hand tool standard featuring 1000V insulated pliers and tools for professional electrical work.
ASTM F1505-16(2026): Current Standard for Insulated and Insulating Hand Tools
What ASTM F1505-16(2026) is, what the designation means, what the current active standard covers, how it evaluates insulated and insulating hand tools, what it does not establish, and what the... Lire plus...