When the entire electrical equipment has been in regular and successful operation for one (1) month, in a manner ... service mains below basement floor to the main switchboard on which are located switches and fuses controlling each and every feeder. From the main switchboard, feeders suoply each switchboard and panel board, which in turn supply local circuits ... Each group is controlled by independent feeders from the main switchboard as shown on the riser diagram and asanbsp;...
|Title||:||Specifications for San Francisco state building, Civic Center, San Francisco, California|
|Author||:||Bliss & Faville, California. Dept. of Engineering|