The practice of sharing a neutral conductor between up to three ungrounded branch circuit conductors has been utilized in the US for generations. The theory is sound and the application for 277 volt lighting circuits that are equal and balanced is a viable way to economize on pipe size and...
Fellow electricians and electrical engineers, MBCs, circuits that share a neutral, have been a short-cut economy that we should stop using. The age of electronics, and the emphasis on power quality has brought this issue to the forefront, and we must step up to the safety plate and change our...
