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Joined: Jun 2012
Posts: 75
Member
Hi,
I have a situation where about 15 indoor transformers are being used outdoors without the proper hood to make them Nema 3R. Could anyone point me to the CFR 1926 reg or the NEC code regarding this violation?


These transformers are being used for temp power..

Thank you

Greg

Last edited by akmaster; 05/07/13 03:48 PM.

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110.11 Deteriorating Agents.
Unless identified for use in the operating environment, no conductors or equipment shall be located in damp or wet locations; where exposed to gases, fumes, vapors, liquids, or other agents that have a deteriorating effect on the conductors or equipment; or where exposed to excessive temperatures.
FPN No. 1: See 300.6 for protection against corrosion.
FPN No. 2: Some cleaning and lubricating compounds can cause severe deterioration of many plastic materials used for insulating and structural applications in equipment.
Equipment not identified for outdoor use and equipment identified only for indoor use, such as “dry locations,” “indoor use only,” “damp locations,” or enclosure Types 1, 2, 5, 12, 12K, and/or 13, shall be protected against permanent damage from the weather during building construction.


Greg Fretwell
Joined: Jun 2012
Posts: 75
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Thank you Greg you have always been very helpful!

Greg


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