Circuit Single Phase Distribution Board Wiring Diagram Pdf
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.
Circuit single phase distribution board wiring diagram pdf. Single phase amp three phase wiring diagrams. 3 phase to single transformer wiring diagram circuit and. In the fig below for single phase electric home supply installation and wiring of a distribution board you may see the the single phase electric supply 230v ac and 120v ac for us service mains i e. A distribution board unit installed in the buildings which firstly receive the incoming single phase electric supply ac low voltage lv 230v ac or 120v ac in us from transformer secondary through electric pole and energy meter or the distribution company s electric service provider outlets is known as main distribution board.
Consumer unit and installation distribution. 3 ph motors etc connected to this power distribution method of wiring sub circuit wiring has been discussed in detail for 1w light 2w light 5a 13a and 16a socket outlets etc. Li l2 l3 neutral earth single phase brown red pre 2004 blue black pre 2004 green yellow striped three phase red yellow blue black green yellow. This type of arrangement is the commonly used method of distribution board for house wiring.
Line red and neutral black carrying single phase supply from transformer secondary and utility pole 3 phase 4 wire star system to the single phase energy meter. Using three phase power for example. Single line diagram of ac transmission and distribution system. In this single phase home supply wiring diagram the main supply single phase live red wire and the neutral black wire transformer 3 phase 4 wire system come from the secondary to the single phase energy meter note that the single phase the supply is 230 v ac and 120 v ac in the us these two lines of two meter line and neutral are connected to the double pole mcb isolator switch.
Three phase electrical wiring installation in home. Single phase distribution board wiring diagram explanation. Circuit breaker on db board 15a colour codes of wiring conductors wires of single phase and three phase systems are identified by colour coded insulation. Through the mcb phase lines are distributed to electrical wiring for lighting fixed devices and power distribution points.
How to wire a db distribution board wiring diy consumer unit and installation diagrams single phase meter diagram rccb schematics new cable colour code for electrical installations full house using line earth bondhon pdf 63a dp mcb 30ma trip cur rcd of 230v with lighting ac 13a radial circuits power from how to wire a db distribution board read more. These needs to be wired prior to wiring of the db unit so that when the db is installed these circuits can be connected to the db.