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 ways. I've illustrated and explained these concerns in a .pdf document that can be found at this URL Please, take a few minutes to consider the importance of this issue. Thanks, DC