Guide to the Consumer Unit

In our blog post here at GB Electrical, we have created a short guide to the consumer unit. Hopefully after reading our blog post, you will understand a lot more about the consumer unit. If you'd like get in touch with us regarding any of our services, you can call us on, 01322 405 595.

Guide to The Consumer Unit

Before we jump right into this blog post here at GB Electrical, if you would like to get in touch, take a look at our additional contact details at the bottom of this page. However, if you would like to learn more about services, head on over to our services page

RCD's (Residual Current Devices)

This is what turn off the power in your property immediately after an electrical fault is located; Preventing a fatal electrical shock by touching a live wire. This particular component monitors the flow of electric throughout your home. It is also worth mentioning that as of 2008, all homes must have RCD's fitted for safety purposes.

Main Switches

The main switches controls the supply of electric in your home. Also, in the event of an emergency, this should be switched off. Another point about the main switches that is worth mentioning is that it also controls all of the other components in the consumer unit. 

Bus Bar

The bus bar is a component of the consumer unit that is only seen by electrician who are working on a consumer unit.  It is a long strip of copper with teeth and is what locks the components in places.

Circuit Breakers

The final component to mention in this blog post is circuit breakers. Each property has roughly six circuits, each of which are controlled by a circuit breaker. Similar to RCD's that we've mentioned above, circuit breakers trip and turn off upon locating an electrical fault; thus, to protect you from receiving an  electrical shock. You should also know that if a circuit breaker does trip, you can switch it back on. However, it advised that you have an electrician find out what the fault is. 

Hopefully you found out more about the consumer unit and have enjoyed reading our blog post; take a look below at our contact details and don't hesitate to get in touch about our services.

Contact us for Our Services

So, if you'd like to get in touch with any of our services here at GB Electrical, simply give us a call via our phone number on, 01322 405 595 or send us an email via our email address at, As for the areas that we cover here at GB Electrical, we are available across Bexley, Dartford, Bromley, and Sevenoaks areas. Also, you can use the contact form on our website to send us a message. Thank you for reading our blog post and we look forward to hearing from you.