mkgrady
Senior Member
- Location
- Massachusetts
A friend in Florida is doing a bathroom remodel job. He told me his electrician and inspector require large cbs be placed closer to the panel feed. Here is what he said:
"In my case there was an 80A CB at the very bottom of the panel feeding the electric heating element in my air handler. The electrician said that with all the breakers above it taking current, there is enough voltage drop on the buss to cause the 80A breaker to not have enough voltage to properly feed the circuit. At least that is the theory. True or not, the inspector requires it. So he swapped a couple of smaller breakers to the bottom at the panel and moved the 80A to the top of the buss. He also moved few others around so that they are in descending size as you go down the panel away from the main feed"
I have never heard of this? Is this a valid theory?
"In my case there was an 80A CB at the very bottom of the panel feeding the electric heating element in my air handler. The electrician said that with all the breakers above it taking current, there is enough voltage drop on the buss to cause the 80A breaker to not have enough voltage to properly feed the circuit. At least that is the theory. True or not, the inspector requires it. So he swapped a couple of smaller breakers to the bottom at the panel and moved the 80A to the top of the buss. He also moved few others around so that they are in descending size as you go down the panel away from the main feed"
I have never heard of this? Is this a valid theory?