Wire size help

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vinnyrpb

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We fed an AHU with #8 wire for a 40A load. However a 2 pole 50 amp breaker was used. Is this OK? Please commect. We were told this was N. G. even though we followed the plans.

thank you
 
Re: Wire size help

If the conductors and OCPD are sized per nameplate and or manufacturers data, there should not be a problem.
 
Re: Wire size help

I would venture to say this is fine, the # 8 conductors would cover the 40 amp load and the 50 amp breaker could probably even be larger.

However, Luke and Electricman 2 are correct that the manufacturers info should be followed.

Roger

[ October 27, 2004, 04:28 PM: Message edited by: roger ]
 
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