multi wire branch ciruit

[Sahib]

Don:Better reconsider my post#18:it not only spells copper saving, but also does not increase energy consumption i.e it is 'Green'. Your posts show NEC encourages increased energy consumption; not good. Let NEC be made "Green" too.

 

[domnic]

parallel

parallel

That does not happen under the rules of the NEC.

The main reason to parallel conductors is to save copper.

The amount of copper in the parallel runs is always less than the amount of copper in a single conductor with the same ampacity.

The resistance of the parallel runs will always be higher as will its voltage drop, unless the designer calls for larger paralleled conductors than required by the rules in the NEC.

The main to parallel conductors it is easier to work with and you get more amps per kcm.

 

[don_resqcapt19]

The main to parallel conductors it is easier to work with and you get more amps per kcm.

And you get more I?R losses per foot.

I don't think that the ease of working has near as much to do with it as the cost. Copper is costly and less copper means less cost.