The cable or wire size the rating of breakers fuse etc depends on the type of wiring purpose and rating of loads. 2 phase and 3 phase size 00 to 5 44 3 phase size 6 45 3 phase size 7 46 3 phase additions and special features 47 50.
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3 phase distribution board wiring diagram pdf. Wiring diagram book a1 15 b1 b2 16 18 b3 a2 b1 b3 15 supply voltage 16 18 l m h 2 levels b2 l1 f u 1 460 v f u 2 l2 l3 gnd h1 h3 h2 h4 f u 3 x1a f u 4 f u 5 x2a r power on optional x1 x2115 v. Interconnecting wire routes may be shown approximately where particular receptacles or fixtures must be on a common circuit. In the diagram is shown the method of wiring distribution main board form utility pole to energy meter and then dp circuit breaker and sp mcb breaker. Wiring diagram of a 230v single phase 63a distribution board consumer unit with rcd for lighting ac unit and 13a radial circuits power from the utility kwhr meter 2 nos. X 16mm2 cupvcpvc cable lighting 1mm2 cupvcpvc lighting 1mm2 cupvcpvc lighting 1mm2 cupvcpvc lighting 1mm2 cupvcpvc 13a socket outlets radial 25mm2 cupvc. The mccb used here is a 3 pole 60a unit.
17012019 three phase db wiring with new colour code. Through the mcb phase lines are distributed to electrical wiring for lighting fixed devices and power distribution points. 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. An mccb with 4 poles also can be used and. This type of arrangement is the commonly used method of distribution board for house wiring. Wiring a three phase distribution board db is of a necessity when the power distribution requirement cannot be handled by a single phase power supply.
Wiring diagram according to new colour code the mccb used here is a 3 pole 60a unit. Wiring of three phase distribution boardconsumer unit installation work is according to british standards iee regulations and practice. Three phase db wiring with new colour code. 3 phase distribution board wiring diagram pdf wiring diagrams architectural wiring diagrams enactment the approximate locations and interconnections of receptacles lighting and remaining electrical services in a building. Distribution board wiring is very important for controlling the e wiring. For this post i designed a diagram about distribution wiring we can called this circuit breaker or controlling fuse box.
17012019 three phase db wiring with new colour code. Wiring diagram according to old colour code. An mccb with 4 poles also can be used and the utility neutral then first needs to be connected to the. Diy wiring a three phase consumer unit distribution board and wiring diagrams. 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.
Gallery of 3 Phase Distribution Board Wiring Diagram Pdf
