Ron Shapiro, Data Center Design Engineer, EYP Mission Critical Facilities, New York and Steve Mccluer, Senior Applications Engineer, American Power Conversion, West Kingston, R.I.

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MNS, ECS December 1, 2005

NEC 645 Might Not be for You

First of all, let us present a few important facts about Article 645 of the National Electrical Code: it is titled "Information Technology Equipment," but it does not apply to most IT equipment, and devices listed as IT equipment do not have to be installed in IT equipment rooms. The reason that we make this last point is because most people associate IT equipment with computer rooms and data centers. The truth is that most IT equipment is not used in such locations. For example, any desktop computer, fax machine or printer is a piece of IT equipment, but isn't only found in computer rooms—and isn't directly covered by the NEC. But when a room is full of electronic equipment racks and dedicated cooling equipment, most people call it a data center or a computer room.

By Ron Shapiro, Data Center Design Engineer, EYP Mission Critical Facilities, New York and Steve Mccluer, Senior Applications Engineer, American Power Conversion, West Kingston, R.I.
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