Come to Life!
A RCD, or residual current device, is a life-saving device which is designed to prevent you from getting a fatal electric shock if you touch something live, such as a bare wire. It can also provide some protection against electrical fires. RCDs offer a level of personal protection that ordinary fuses and circuit-breakers cannot provide.

This is the type of device that you can plug in for your lawnmower, it monitors the current flowing in to a circuit and ensures almost the same flows back to neutral. If a difference is detected ie. you receive a shock (some current passes through you to Earth) the device turns off the circuit or circuits it protects.
When specified and installed correctly, this device can save your life. It can be found as a plug in unit or as part of your consumer unit, most installations should now have one or more of these fitted in the consumer unit.
The Institution of Engineering and Technology who are the governing body who are responsible for the Electrical Regulations we have to adhere to BS7671, they have written an article explaining the complexities of RCD's, including how they work, pictures, and some complex Electrical information.
Consumer unit upgrades should always be carried out by a qualified and registered electrician. Never compromise your safety by attempting to do it yourself.
Additionally, the installation of a consumer unit must be carried out in accordance with the Part P Building regulations. Your electrician must give you a Part P Certificate that confirms that the consumer unit has been installed in accordance with these recommendations
Click the links to find out how we operate with P.A.T Testing and replacing/upgrading Fuse boxes & Consumer units.
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Email Karen: karen@brightsparkelectrician.co.uk
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Telephone: 01892 531728
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Phil, from Bright Sparks arrived promptly, was really polite, cracked on with his job and gave us a really good brief on what he'd done and why it was needed which was then followed up with a thorough report. Bright Sparks have been absolutely superb and not only are they saved in my phone but also I'd recommend them to friends and family. Thanks guys. P.s. you were up front and transparent about costs too.
A rapid response An item of household electrical equipment decided to fail. As a result, many electrical circuits in my Home closed down. I contacted Bright Sparks, and an electrician quickly appeared. He calmly checked the circuits and solve the problems. Well done.