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Old 10-26-2011, 08:52 AM   #1
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Terminate stranded THHN/THWN on SQ D breaker


Is it allowed to terminate stranded THHN/Thwn under the clamp of a Square D circuit breaker? If not, how should the strands be dressed prior to termination?

Thank you,
Mike

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Old 10-26-2011, 09:11 AM   #2
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Terminate stranded THHN/THWN on SQ D breaker


yes it is listed for solid and stranded

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Old 10-26-2011, 12:42 PM   #3
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Terminate stranded THHN/THWN on SQ D breaker


Mike, strip about two inches of insulation, but as you are removing the section, twist it clockwise ever so, about two full turns. Then cut the end after removing the cut section of outer sheath, leaving about 1/4" of bare wire.
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Old 10-26-2011, 01:26 PM   #4
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Terminate stranded THHN/THWN on SQ D breaker


Just strip the proper amount and insert in the clamp and tighten.
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Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials.
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