Voltage drop

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Re: Voltage drop

Remember that FPN's are not enforceable as part of the NEC in general. Basically, the NEC doesn't mandate specific voltage drops.

Jim T
 
Re: Voltage drop

Voltage drop is a design issue, not a safety issue. That's why there are no code rules addressing it.

That said, it's in your best interest to minimize voltage drop for performance reasons, to meet job specs, etc etc..
 
Re: Voltage drop

Typically you have 10% tolerance to work with. The utility gets 5% of that and you try to splitt your 5% up by keeping the feeders and service conductors under 2% and the branch circuits under 3%.
 
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