what's the difference between a MLO and a MCB?
S stud696981 Senior Member Sep 19, 2005 #2 Re: MCB - MLO This tells you if the panel has a main breaker or not. MCB = Main Circuit Breaker MLO = Main Lug Only
Re: MCB - MLO This tells you if the panel has a main breaker or not. MCB = Main Circuit Breaker MLO = Main Lug Only
