Is No Lock paste required according to the NEC?

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russ57

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I have 4/O aluminum braided wire coming into a 200 AMP main panel and the NO Lock paste is missing. Is this paste required according to the NEC? And if so what is the code reference?

I thank God that a site with professionals are out there!

Thanks in advance

Russ
 
Re: Is No Lock paste required according to the NEC?

Russ with the newer ALU. wires on the market most manufactures don't require anti-oxidizing grease any more, even tho I still think it is a good idea the NEC treats this as a manufacture instruction and only has to be installed when the manufacture requires it in it's " UL listed installation instructions" Other than that it is a design issue that the NEC doesn't deal with. "Sad to say"

[ November 01, 2004, 07:59 PM: Message edited by: hurk27 ]
 
Re: Is No Lock paste required according to the NEC?

In addition the reply above, which is right on, see 110.14 and notice that if anti-oxidant compound is used, it must be used in the manner in which it was listed. This typically doesn't include just squirting a bunch of it on a wire like it is toothpaste :D
 
Re: Is No Lock paste required according to the NEC?

In addtion to Ryan's answer I have seen instructions that tell you to wire brush the goop into the wire, wire brush first, don't wire brush at all.
 
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