Garage Consumer Unit IP65 4 Way Fuse Box Fitted with RCD 63amp 30ma + 1X6amp, 2X20amp & 1X32amp mcbs

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The modern consumer unit also has a range of other safety features including a main switch that controls the power to the entire unit, that, once switched off, will turn the power off to the entire house. The terms ‘consumer unit’ and ‘distribution board’ are often used interchangeably, but they are not always the same thing. A consumer unit is a type of distribution board, but not all distribution boards are consumer units.

How many consumer units do you need? You’ll only need one consumer unit for a home in most cases. However, there are some scenarios where you may need to fit a second consumer unit. For example, when adding electrical circuits to an extension in an existing building. The current consumer unit can only provide a certain amount of wattage. If the new circuit is going to exceed that wattage, then a second consumer unit will need to be installed. You may also want to install a second consumer unit if you’re powering an outbuilding, such as a garage or shed.A garage consumer unit is used to feed up fewer load circuits (generally 2-5 units). If only a small amount of load points are needed to power up through mains supply, they install a garage consumer unit instead of larger consumer units especially in outbuildings. Once all the testing has been completed the next job is to isolate the power to the existing fuse/circuit board and then remove it. As they are very sensitive to the slightest bit of earth leakage, it is not practical to fit one RCD to protect the whole house, hence the reason they are split over 2 circuits, normally one upstairs and one for downstairs.

The RCD is then clipped onto the DIN bar. The top clip is first clipped over the top of the bar and then bottom either clips over using a spring clip, a screw or simply just clips over. When it comes down to it, the only person(s) able to do this are those that are Part P registered. If however you ignore this and do carry out electrical work that you’re not allowed to, this is illegal and also can invalidate your home insurance and cause potential issues when trying to sell your home.If this isn’t done then it can lead to all manner of issues when reconnecting and testing the circuits, so it’s best for both your electrician and also you to know if there are issues before any work is started. They can also feature 1 or even 2 RCD’s. The RCD, or residual current device is similar to an MCB in that if it senses an issue it will trip and isolate all the of the MCB’s/fuses below it. More on these below.