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These boards are predominantly used in garages and sheds. The big difference between this type of board and others is it doesn’t have a main switch. The main way to isolate this type of board is via a single RCD. High integrity consumer unit
It is vital you know where your consumer unit (fuse box) is in your home in case of an emergency. What is inside a consumer unit? Yes, you have to ensure the supply tails enter the enclosure through an appropriate means to prevent damage to the insulation around the conductors. It is also important to tighten the tails that go into the incoming device within the consumer unit to the recommended torque settings, as set out by the manufacturer. Ensure the tails are fixed and secured so as to prevent disturbance. What coding is given to an existing plastic unit in good condition in an electrical inspection report? MCB – Also known as Mini Circuit Breakers, this protects appliances from overload. They come in a range of amperages from 6a to 50a in domestic installations. Nowadays a 32amp is used to protect an SPD which is installed in the fusebox
Things to look out for
Neutral Bars – The common connection point for the neutral cables from the earth leakage protection devices (RCBOs) Unless you are a fully qualified electrician, then you should not under any circumstances try to replace your own consumer unit. It is a legal requirement that this type of electrical work is carried out by a certified professional. Beyond that, if done incorrectly, you could injure yourself and put both your family and home at risk. This type of board is anything under four ways… most of the time. They are commonly used in outhouses, sheds, and garages, where a couple of circuits may be required for lighting and tools. EV Consumer Unit RCBO (Residual Current Overload) – An RCBO is an intelligent bit of kit which combines the functions of both an MCB and RCD, protecting against both overload and earth leakage. They are now the most popular choice for electricians due to the added safety, although they initially cost more their functionality and safety features outweigh going to the RCD/MCB route
No, providing the IP integrity after the installation is maintained, which is IP4X on the top and horizontal surfaces, and IP2XC everywhere else. However, the use of fire retardant glands and trunking is not precluded. Do intumescent pads and strips have to be used when installing a metal consumer unit? With people making the move towards electric cars, EV charging consumer units will become more and more popular. Manufacturers are now releasing standalone EV consumer units that can be added to new and old dwellings. These EV boards are most commonly supplied with a 100A Main Switch, and Type 2 Surge Protection and should be populated with RCBOs. Things to look out forNo, there is no provision to use metal blanks. However, if they are supplied by the manufacturer of the consumer unit then they must be used. Can additional circuits be added onto an existing plastic style consumer unit? As to @The Happy Builder comments on being loose, that does not matter, we have an IP rating and not being able to be removed without tool. I think @rogerk101 is spot on with blanks, we are told type testing means we must only use what is recommended by the manufacturer, so if the blanks supplied by the manufacturer can be removed without a tool, then up to manufacturer to do a recall. There are four types of consumer units. The most common are the main switch consumer units and the dual RCD consumer units. Main switch consumer unit Even consumer units are now stylish! These flush boards are becoming the new trend. They install seamlessly into modern homes and are less bulky. The only difference here is the appearance, in terms of all the necessities (main switch, busbar) they are all the same. Garage Consumer Unit
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