Construction Codebooks and Estimating Guides

NEC Quiz: Article 250, Part Three Answers

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  1. [250.4(A)(4)] No. You should bond these items.
     

  2. [250.4(A)(5)] No. Its resistance is too high.
     

  3. [250.8(A)] Yes. They are one of the eight permitted methods.
     

  4. [250.8(B)] No. The solder will melt, causing the connection to open.
     

  5. [250.12] Ensure the surface is bare and clean. Clamping onto a painted panel does not provide a good connection.

 

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