3 Phase 4 Wire Meter Base Diagram. 220 3 phase wiring diagram. For single phase we use the 2 core wire for 3 phase we use 3 core wire and for three phase 4 wire system we use the 4 core electric cable.
3 phase meter with connection via ct pulse or modbus rs485 output outpu. For single phase we use the 2 core wire for 3 phase we use 3 core wire and for three phase 4 wire system we use the 4 core electric cable. Plastic plates riveted or screned to meter base with engraved or meters are rated 240 or 480 volt respectively.
In the above graphics and diagrams r red phase live wire from the source supply voltage.
This is a transformer rated meter that would be used when the service is too large to put in a form 2s meter. Or 3 phase 4 wire kwh meter wiring diagrammy last post is about the single phase energy meter wiring diagram which has 4 terminals. Single phase three wire 200 ampere underground service a. Therefore the total neutral current is the vector sum of the three line currents.