Turn off the main power at the breaker box. If your garage is a seperate building then it needs a sub main swa cable feed to its own consumers unit buried at least 600mm deep.

Ad54ab Wiring Diagram For A Garage Consumer Unit Wiring Library
Garage wiring diagram uk. There is a ton of information on basic wiring principles on the web as well as a number of great books on the subject too. If you want to do the wiring in the garage and leave the main panel connection to an electrician thats an option. This list should include lighting fixtures and light switch locations general purpose outlets and receptacles that will be located so that access will not be blocked by obstacles such as garage shelving. Wiring a garage planning your garage wiring. Among the options open to the installation designer are to make the installation in the garage part of a tt system or to provide main equipotential bonding to the extraneous conductive part in the garage. In a house or a finished garage electrical cable is protected from damage by permanent wallcoverings like drywall plaster or even wood but thats not the case in an unfinished garage.
Just as a point of note a ring main is used to connect sub station transformers and is usualy 11kv houses have ring final circuits. Where the garage contains an extraneous conductive part such as a metal water pipe. The key to safe code compliant exposed wiring is to use the framing members to protect and support the wires. Wiring up the garage can be done over a weekend or two. When installing electrical wiring in a garage a list should be made of all the proposed electrical devices and equipment that will be used. Wiring a garage is really not all that complicated if you have a basic understanding of electricity and follow widely published guidelines.
Put on eye protection and other protective gear. How to wire a garage consumer unit diagram wiring diagram is a simplified good enough pictorial representation of an electrical circuitit shows the components of the circuit as simplified shapes and the capability and signal contacts together with the devices. Remove the panel cover with a screwdriver or screw gun. Also uk nominal voltage has been 230v ac since january 1st 1995.