Branch circuit protection

[Ernesto]

Given a continuous load of 42A and a noncontinuous load de 60A, the calculation to estimate the OCPD gives 113A (1.25 x 42 + 60). Since this value is close to 110A, is it allowed to use a 110A OCPD, which is very near to the calculated value, instead of a 125A OCPD which is the nearest higher standard?

Thanks

 

[Chamuit]

Isn't it 40% of non-continuous?

Total = 76.5 A

 

[Ernesto]

Branch circuit protection

It is 125% of continuous plus 100% of noncontinuous.

 

[celtic]

How could you have a branch circuit feeding both a 42A and a 60A load?

 

[Ernesto]

OK. Suppose it is a feeder, instead of branch circuit.

 

[celtic]

240.4(B) says use a 125A