This system uses 3 phase ac power l1 l2 and l3 connected to the terminals. In our today electrical wiring installation tutorial we will show how to do a three phase consumer unit installation from utility pole to a 3 phase energy meter 3 phase distribution board and then how to connect single phase three phase loads in a three phase wiring distribution system in home electric supply system.
Why Two Breakers One For The Line One For The Neutral On A
Single phase panel board wiring diagram. Wiring diagram of single phase distribution board with rcd in nec us iec uk eu electrical wiring color codes double pole mcb dp the isolator or main switch this is the main operating switch which is used to control the electric power supply in the buildings. Dashed lines indicate a single purchased component. An example of a wiring diagram for a motor controller is shown in figure 1. How to distribution board wiring for single phase wiring with dp mcb sp mcb earth voltmeter ammeter for home wiring in the above diagram i shown the complete method of wiring i wired an energy meter after that a double pole and then single pole breakers for each room or each point of circuit load. Singele phase db wiring diagram single phase meter wiring diagram energy meter and mcb board. The three phases are then connected to a power interrupter.
In which mccb circuit breakers volt meters ampere meter with current transformer light indicator earthing connection and bus bar with complete wiring diagram. Note that symbols are discussed in detail later. A 3 phase panel board wiring diagram or 3 phase distribution board wiring diagram. A distribution board is a panel or enclosure that houses the fuses circuit.