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Hint: Fender bender
Mar 5, 2009 3:12 PM, By Joe Tedesco, NEC Columnist
Hint: Fender bender
If you look closely, you’ll see that some fool used a folded-in-half fender washer to help fill in the extra space at the C-phase feeder conductor termination in this overcurrent protection device. In fact, even though you can’t see them, the other two phases are terminated in the same fashion. This isn’t a recognized method of installation and creates a serious hazard. At minimum, this installation violates the rules in 110.14, which states conductors of dissimilar metals can’t be intermixed in a terminal or splicing connector.
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When installing outlet boxes for wall-mounted luminaires, when can you use No. 6 screws to secure the luminaire yoke to a plaster ring?...
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