These wires pass into electricity meter through a main fuse or an mcb from main switch they are connected to lines wire in the house these wires supply electricity to different circuits this how a domestic electric circuit ie. It is up to the electrician to examine the total electrical requirements of the home especially where specific devices are to be located in each area and.
Electrical Switch Board Wiring Diagram Diy House Wiring
Domestic fuse board wiring diagram. Each fuse or mcb is clipped onto a din bar and the teeth of the bus bar are inserted into the mcbs. Distribution board is also known as fuse board panel board. Distribution board is a safe system designed for house or building that included protective devices isolator switches circuit breaker and fuses to connect safely the cables and wires to the sub circuits and final sub circuits including their associated live phase neutral and earth conductors. Domestic wiring and circuits. A circuit in our homes looks like. Just a view of the inside backing board of a domestic switch board here in sydney australia.
Your electricity board supplies electricity to inside your home. More electrical tips and diagrams wwwaboutelectricitycouk like subscribe and dont skip the ads shopping. The cables to the house circuits are connected to the other side of the mcbs. It goes though a large fuse usually 60 amps 80 amps or 100amps which is sealed with electricity board fuses and should never be tampered with. Find out how to wire residual current device rcd in garage shed consumer unit. Wiring a distribution board db is vital in any electrical installationall the electrical sub circuits are originated from a distribution boardthe 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.
The fuse is then wired to your meter which is also the property of your electricity board. Inspection of the switchboard is not part of a pre purchase bu. A wiring diagram is a simple visual representation of the physical connections and physical layout of an electrical system or circuit. What is distribution board. Wiring diagrams device locations and circuit planning a typical set of house plans shows the electrical symbols that have been located on the floor plan but do not provide any wiring details. It shows how the electrical wires are interconnected and can also show where fixtures and components may be connected to the system.
Radial circuits are used for lightingthere is one lighting circuit on each lighting mcblighting circuits are usually on a 6a mcb or 5a fuse though 10a can be used with some extra restrictions now removed in the 17th edition of the wiring regs for large circuitshowever if the area served is large more 5a or 6a circuits would in most cases be preferable. The first one is a single load fuse board where the power coming in is taken through a double pole switch to a live bus bar.