Can I have 2 consumer units?

You can certainly have as many CUs as you want. There is a BS 7671 regulation demanding that every installation has a (singular) “main switch”.

Can I run a consumer unit from another consumer unit?

Yes you could, but I would use a switched FCU with 3A fuse for lights and use a cooker connection unit to form a lollipop ring final.

How many types of consumer units are there?

The most common enclosure is the standard surface mounted, metal, ‘Amendment 3’, enclosure. All four types of consumer unit are most commonly supplied in this format.

What size breaker do I need for garage supply?

A typical garage would generally require a maximum supply of 20 A while making allowance for diversity (Regulation 311.1). Typically, the use of circuit-breakers to BS EN 60898 or RCBOs to BS EN 61009 would provide the distribution circuit with protection against both overload and fault-current (Regulation 433.1.

Can you extend cables in a consumer unit?

For extending normal T&E type cables here it is fairly simple, you can use DIN rail mounted terminals, or the Wago spring-loaded ones, so long as they are suitable protected. Normally you would not “extend” the tails if practical, you would replace them to avoid necessary high-current joints.

Can you still fit 17th edition consumer units?

Under the 17th Edition requirements it is still possible to install some circuits in domestic premises that are not fed via an RCD. Different wiring systems would need to be used.

What is the best consumer unit?

We always recommend Hager or other large brand name manufacturers when it comes to choosing a consumer unit or fuse board. Hager, Wylex and Schneider Electric are all premium brands and are of the highest quality.

Is 60 amps enough for a garage?

Unless your going to go big and start using some high draw items like a large welder, larger compressor, or electric heat, 60 amps will do you plenty fine. The only issue is voltage drop. To do a drop calculation you need to know your expected load.

What size cable do I need for a 32 amp supply?

6mm cable
So in term of your 32A supply the 6mm cable is absolutely fine. No reason for unnecessary additional costs. But in order to say if that sufficient for what you’re going to have you need to know your total load (how many watts), so if you use a 6mm cable then it’s 44A X 230V=10,120W that’s what your cable can take.

Can you move a consumer unit?

With regard to moving the consumer unit and creating a new position for the meter in the hall, then yes this is entirely possible and could be done without the expensive re-routing of the incoming main UKPN cable.

Can you extend existing wiring?

Solution: Extend wires | If you run into short wires, there’s an easy fix. Simply add 6-in. extensions onto the existing wires. The photo shows a type of wire connector that’s easier to install in tight spots.