Ct Cabinet Wiring Diagram. We supply these meters on the assumption that they will be installed by a qualified electrician familiar with the installation of metering equipment ensure all current transformers are installed as per wiringdiagram which can also be. A to avoid unnecessary delay or expense the customer or the customer s representative shall consult the appropriate dte electric service center before starting any wiring.
However different standards organizations commonly the national electrical manufacturers association and underwriters laboratories inc have different standards on how they rate each of the ct cabinet types nema does not require testing of the ct cabinets by independent. The top of the cabinet must be no higher than 7 feet above the floor and the bottom of the cabinet must be at least 6 inches above the floor. Current transformer wiring diagram instructions note.
In the above diagram i shown three ammeters current transformers in the above ct wiring diagram i common a wire of all ct s my means that i connect ct one connection with one another.
Ct current transformer wiring connections for commercial form 9s electric meter installation. 5 1 meter and service equipment 1. A to avoid unnecessary delay or expense the customer or the customer s representative shall consult the appropriate dte electric service center before starting any wiring. There are four typical types of current transformers.