National Electrical Code Quiz, Article 250 Part ThreeAnswers

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NEC Quiz: Article 250, Part Three Answers

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[250.4(A)(4)] No. You should bond these items.
[250.4(A)(5)] No. Its resistance is too high.
[250.8(A)] Yes. They are one of the eight permitted methods.
[250.8(B)] No. The solder will melt, causing the connection to open.
[250.12] Ensure the surface is bare and clean. Clamping onto a painted panel does not provide a good connection.

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Additional resources: Contractor Cafe Code Site Illustrated Guide Joe Tedesco's National Electrical Code Residential Pocket Guide

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