Working in open environments presents challenges for containing electrical hazards. Here’s what to keep in mind in order to keep workers safe.

An arc flash is defined as a hazardous explosion of energy from an electrical circuit, or a type of discharge that results from a low-impedance connection through air to ground or to another voltage ...

Each data center is unique but contains a generic layout[1] consisting of three main systems, namely: a) the electrical system; b) the mechanical system; and c) the information technology (IT) system.

This is the final installment of a three-part series on the importance of arc flash labeling of electrical equipment. In Part 1, which ran in the September 2011 issue, we considered the low-level task ...

It’s a force that can set clothing or skin on fire, send debris flying like shrapnel, melt metals, start fires or send a worker tumbling from a large height. An arc flash can kill or seriously hurt a ...

The five NFPA 70E boundaries include arc flash, limited approach, restricted approach, hearing protection, and lung ...

An arc flash occurs due to a phase-to-ground or phase-to-phase short circuit. The extreme heat, light, and pressure blasts associated with these events make it necessary to take precautions when ...

“When I looked back and saw that I had no pants on the back of my legs, and literally, the skin was hanging off my arms and my legs, I just knew something horrific had happened.” So begins the story ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In a typical television transmitter installation 30 years ago — at a time when big power was ...

For Samy Faried, an ABB expert who has spent 15 years analyzing arc flash hazards, a new rule recently finalized by the Occupational Safety and Health Administration (OSHA) will save lives. In April ...

EN Engineering’s team of professional electric engineering consultants now offers arc flash assessment and related services to help utilities comply with new OSHA regulations. The revised U.S.

AQ-100 arc flash protection relays, arc light sensors, and light & pressure sensors. AQ-1000 resettable arc quenching device for low voltage applications of up to 690 V, as fast as 4 ms total arc ...