Dr. Fuller does not have any memberships or affiliations listed. If you are Dr. Fuller and would like to add memberships or affiliations, please update your profile. New Patients
Automatic transfer switches must also be operated monthly. The monthly test. consists of electrically operating the transfer switch from the standard position to. the alternate position and then a return to the standard position.
According to the 2002 version of the National Electrical Code, any transfer switch that serves Emergency class load must serve no other loads. If loads other than Emergency class are to be served by a standby power source, at least two transfer switches will be required. Furthermore, a larger number of smaller-ampacity transfer switches provides greater protection against branch circuit failures, so more and smaller is a good general principle.