Consumer Units
This area is here for information purposes. Designers and installers should obtain their own copy of BS7671:2018 and follow the requirements and recommendations in the 18th Edition of the IET Wiring Regulations.
Order your copy here.
The 18th Edition of the Wiring Regulations will change how you carry out domestic installations with consumer units.
Is there such as thing as an ‘18th Edition Consumer Unit’?
Consumer units must be configured in the correct way, with the correct devices, to meet the requirements of the 18th Edition.
How do you select the right consumer unit?
Typically all circuits in domestic household premises will be protected by 30mA RCDs. The most effective way of providing 30mA protection, maintaining power continuity, managing PE currents, avoiding unwanted tripping, and achieving highest levels of occupation safety is to use individual RCBOs on each circuit within the installation.
How do you provide SPD and AFDD protection in one unit?
The ultimate consumer unit which caters for the requirements and recommendations of the 18th Edition will include 100A main switch, a Type 2 SPD and RCBOs with integral AFDD on each individual circuit.
Get the 18th Edition solution
Find out more about our consumer units with 18th Edition solutions to help you comply towards the 18th Edition below.
| Wylex | Consumer Units with 80A Type A RCDs | View here |
| Wylex | NEW Consumer Units with 100A Type A RCDs | View here |
| Wylex | Consumer Units with Surge Protection Devices | View here |
| Wylex | Consumer Units with Integral Surge Protection Devices | View here |
| Crabtree | Starbreaker Consumer Unit with Surge Protection Devices | View here |
18th Edition on the Electrium Podcast
We talk the key questions from the 18th Edition on episode two of the Electrium Podcast.
This includes Arc Fault Detection Devices, Transient Overvoltage Protection, RCD Selection and more.
Click the banner below to listen. 
Getting the right 18th Edition solution for you
We have solutions to help you comply with the 18th Edition Wiring Regulations.
Our colleagues are based throughout the UK, and have local knowledge of your area. Chat with our team today and see how we can help you deliver your next project above and beyond your clients expectations.
Find a colleague in your local area here.
Get a 18th Edition solution in your area
Our 18th Edition solutions are available to you in your local area thanks to our network of wholesalers and stockists.
Use our 'Find a Stockist' service to discover your nearest supplier of 18th Edition products from our leading brands such as Crabtree and Wylex.
Find your 18th Edition solution here
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