Domestic Consumer Unit Wiring Diagram
It distributes that power throughout the property and its key components main switches residual current devices rcds and circuit breakers can be according to the component either manually or automatically shut off to protect you and your.
Domestic consumer unit wiring diagram. Each fuse circuit breaker protects the wiring for individual circuits. In most cases at least one rcd. It is usually mounted near the energy meter. To break it down simply the consumer unit is found at the point where the electrical supply enters your property from the electricity meter.
The older fuse wires are being replaced gradually by their modern equivalent the mcb or miniature circuit breaker. The unit distributes the electricity via fuses of one kind or another to the different circuits in the house. Find out how to wire residual current device rcd in garage shed consumer unit. This switches off everything.
Usually you will have a lighting circuit on each floor as well as a ring circuit for your socket outlets. Other options are also possible. Devices used for a single phase 40a distribution board or a. Wiring inside a consumer unit or a distribution board.
A modern consumer unit as pictured above houses modular electrical devices called circuit breakers. The modern consumer unit is the centre or heart of the wiring system in the home. 10a lighting circuits are occasionally used. When load is exceeds from 7 5 kw then 3 phase electrical wiring is recommended in domestic areas homes.
Wiring diagram for a 60a single phase distribution system with rcd unit. At toolstation we stock metal consumer units often referred to as fuse boxes that are simple to install and ideal for domestic application. There are 4 main kinds of circuit breakers in a common household. All the wiring for all your house starts at the consumer unit.
Consumer units should be labeled so you can tell which fuse circuit breaker is part of what circuit. A main isolating switch. If the limit is exceeded then it s recommended to install a 3 phase energy meter for consumer units. 20a radial socket circuits.
More electrical tips and diagrams www aboutelectricity co uk like subscribe and don t skip the ads shop. Main switch mcb and rcd. Devices used for the consumer unit. Discover a large range of 17th and 18th edition electrical consumer units from leading brands including mk wylex and axiom ranging from 2 way to 12 way.
The diagram is shown with 6a lighting fuse and 32a ring circuit mcb. Consumer unit cu the consumer unit previously called a fusebox contains these things. The consumer unit or commonly known as fuse box is the heart of a home wiring installation.