sparkyjonny
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Radial circuits offer a better form of power distribution, and heaters are far better off on dedicated radial circuits. With rings, dependant on resistance due to increased load, only around 2/3 of the total circuit rating is available on each leg. Whilst this offers a satisfactory form of distribution for ring mains with generally low-current appliances being plugged in, it is not ideal for high-load heaters. You need to work out the total load of all your heaters, and other commonly-used appliances (fridge/freezer) on the circuit, and see whether this could come near or exceed the circuit protective device (fuse/MCB) rating -> I=P/V. If it does, they need an extra dedicated circuit, or your existing circuit needs splitting into two.
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