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.

Electrical equipment is required to be field labeled by the NEC (NFPA 70) and OSHA. This requirement is meant to inform personnel working on energized equipment about ...

When electrical equipment must be maintained or repaired while energized, an arc flash hazard may be present. Affected workers need to know what steps should be taken to stay safe. Arc flash warning ...

Arc flash is defined as an explosive release of energy caused by an electrical arc. Typically, the arc results from either a phase-to-ground or phase-to-phase fault created by many possible events.

Switchgear comprises electrical disconnect switches, fuses and/or circuit breakers that control, protect and isolate electrical equipment in electrical power systems. A switchgear fault (phase loss, ...

Every so often, the electrical industry is able to add to our understanding of what makes a safe, well-designed electrical system. This knowledge can have a profound effect on the way we design, ...

Standards and regulations may change, but the danger associated with arc flash hazards remains. Analyzing potential incident energy correctly and understanding what personal protection equipment is ...

Arc flash has always been a relevant topic — as long as electrical controls and power distribution have been around. Jerred Davis, Systems Consultant for Rittal, talks to us about Arc Flash. He ...

In a typical television transmitter installation 30 years ago — at a time when big power was coming into play (three-phase, 460VAC) — power was fed from a transformer located just outside of the ...

Tri-State Generation and Transmission requires its linemen to wear flame-retardant clothing and use the proper tools and personal protective equipment when working ...

I’ve got some good news and some bad news. The good news is that, according to the U.S. Bureau of Labor Statistics, the number of occupational fatalities resulting from exposure to electricity has ...