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What's Wrong Here?

Aug 14, 2006 5:16 PM, By Joe Tedesco

Tim Butler, owner of Butler Electrical Service in Graham, Texas, found what was left of this panel on the side of a house at Possum Kingdom Lake in Texas. “The homeowners are watering their yard with lake water, which you can see has lots of minerals in it,” says Butler. “Just thought you might have some comments about it.”

Requirements for the protection of equipment against corrosion and deterioration can be found in 300.6 of the NEC. Basically, the rules state that you shall install equipment that is suitable for the environment in which it is being placed. 300.6(A) focuses on ferrous metal equipment, 300.6(B) on non-ferrous metal equipment, 300.6(C) on nonmetallic equipment, and 300.6(D) on indoor wet locations.

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