overcurrent protection

Hi, I'm a bit confused about the required overcurrent protective device needed for my industrial control panel. I have a remote panel with remote IO that drives 6 resistance heaters. Only 2 of the heaters can be on at the same time as configured in the logic. Do I need a breaker that is rated...

I put in a circuit for a couple of sump pumps today. The nameplate rating on each of the sump pumps was approx. 9.5 amps. (I know it was 9.something.) I put both on a single 20A circuit. I am probably overthinking this, but I am wondering what the chance is of both of them starting at the same...

I have a customer that wants a 50A receptacle outlet for a vehicle car charger. (I have not installed a branch circuit for a car charger yet.) I am trying to go over the requirements now in the NEC. - I was under the impression that a branch circuit for a car charger had to be GFCI protected but...

Q1: I have been under the impression that I could not use a 50A breaker with a #8 wire. (Romex, NMB) I usually run 8/3 Romex for ranges and use a 40A breaker. - However, can I use a 50A breaker. - I am thinking no because the range would be considered a continuous load. (Does the NEC state...