Distribution Board Wiring Pdf

Distribution board wiring is very important for controlling the e wiring.

Distribution board wiring pdf. Through the mcb phase lines are distributed to electrical wiring for lighting fixed devices and power distribution points. This type of arrangement is the commonly used method of distribution board for house wiring. Wiring a distribution board db is vital in any electrical installation all the electrical sub circuits are originated from a distribution board the main feeder cable to the distribution board should be able to handle the total power anticipated when all the sub circuits in the distribution board are in use. 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.

514 14 1 if wiring additions or alterations are made to an installation such that some of the wiring complies with regulation 514 4 but there is also wiring to a previous version of these regulations a warning notice shall be affixed at or near the appropriate distribution board with the following wording. More than 200 combinations. Tel 27 11 928 2000 fax 27 11 392 2354 private bag x2016 isando 1600 tripswitch drive elandsfontein gauteng. Accessories rrequired 1 nos 12 way three raw db with facility to fix a 60a 3 pole moulded case circuit breaker 3 nos 2 pole 60a 30ma trip current rcd 3 nos 2 pole 60a mcb 15 nos 1 pole 10a mcb.

Wiring of three phase distribution board consumer unit installation work is according to british standards iee regulations and practice. 3 phase distribution board wiring diagram pdf. 1 distribution board 2 way 15 a 250 v 2 distribution board 2 way 15 a 250 v. For this post i designed a diagram about distribution wiring we can called this circuit breaker or controlling fuse box.

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. Distribution boards together with modular abb system pro m compact protection devices and modular din rail components can be used for many applications in electrical building installations. Iii four wire etc. The choice of the system of power distribution is determined by the type of power that is available and by the nature of the load required for particular user i e.

The cable or wire size the rating of breakers fuse etc depends on the type of wiring purpose and rating of loads.