Electrical Definitions


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Electrical Definitions

Letter - W


Constructed so that moisture will not enter the enclosure under specified test conditions.



The unit of power. Equal to one joule per second. The unit of electrical power. Represented by P or W.



Constructed or protected so that exposure to the weather will not interfere with successful operation.


Wet Location

Installations under ground or in concrete slabs or masonry in direct contact with the earth; in locations subject to saturation with water or other liquids, such as vehicle washing areas; and in unprotected locations exposed to weather.