MOUNTING BASE FOR CTs, THREE-PHASE SERVICES

The customer installs this CT mounting base in the CT cabinet for three-phase services. This mounting base accepts bar-type current transformers, only.

For overhead services, the customer connects the line and load conductors to the terminals on the mounting base. For underground services, the customer connects the load side conductors and the power company connects the line side conductors.

The mounting base must be rated for fault current of 50,000 amperes, minimum.

For 4-wire delta services, identify the high leg with orange marking.