Anatomy of a Meltdown

A catastrophic failure in a switchboard can teach us important lessons. A switchboard failure can cause immense destruction, loss of life, and extended loss of facility usage. As you conduct your predictive and preventive maintenance, this is one of the problems you should be most eager to prevent. Yet are you sure you’re doing all the right things as often as you should? Let’s look at a case history

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Electrical Construction and Maintenance

Arlington Gangable boxes

Designed for new or retrofit applications, these snap-together gangable plastic boxes eliminate the need to construct a multiple-gang steel box out of several individual ones. Starting with a two-gang box, users can build the box they need in seconds, according to the company. For three-gangs or more, separate the box parts, add the center sections needed to make a new, larger box, and then snap the pieces back together. The UL-listed product is preset for ½-in. wall finish thicknesses....More

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