Distribution board or db is an electricity supply system or a common enclosure that distributes the electrical power feed into subcircuits. Distribution board wiring is very important for controlling the e wiring.
Rcd Wiring Installation In Single Phase Distribution Board Distribution Board Home Electrical Wiring Solar Energy
First you need to get supply from the main double pole circuit breaker and connect to the rcd fixed rcd breaker as i shown in the above rcd wiring diagram.
Db board wiring diagram. 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. 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. It includes isolator rccb residual current circuit breaker or rcd residual current device devices protective fuses or mcb s miniature circuit breaker for each subcircuit etc.
At the start of each row install a 30 milli amp circuit breaker. 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 building s. Sub circuit wiring has been discussed in detail for 1w light 2w light 5a 13a and 16a socket outlets etc.
To understand and wiring an electrical distribution board first of all you have to clear understanding about db or distribution board wiring definition and systems as per international and local standard. X 16mm2 cu pvc pvc cable lighting 1mm2 cu pvc pvc lighting 1mm2 cu pvc pvc lighting 1mm2 cu pvc pvc lighting 1mm2 cu pvc pvc 13a socket outlets radial 2 5mm2 cu pvc. Remove the cover off the board and position it in the recess with four screws one in each corner.
How to install the rcd modules. 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. Label each circuit in order to avoid mistakes.
Db wiring and installation. Mar 20 2017 distribution board wiring with dp mcb sp mcb earth volt amp meter diagram. For this post i designed a diagram about distribution wiring we can called this circuit breaker or controlling fuse box.
However lets explain the complete installation of complete main db board. 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. How to install the distribution board.
Here you will find some basic idea about distribution board and its types. You need to fallow these steps. The db used will either be surface mount or flush mount embedded type.
Open the wiring duct to see where the unit is to go.
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