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Electrical connections for Total Control Tariff
The electrical installation must be carried out by a qualified electrician to the current IEE wiring
regulations (BS 7671)
Wiring consists of switch fuses or magnetic circuit breakers of the appropriate current rating, adjacent to
the supply companies meter. Colour coded tales should be provided to allow the supply company to make
their connection to the meter.
The boiler supply cables should comply with the current IEE regulations with regard to length and load
carried. They should be run from the switch fuse or MCB to an isolator, with two pole isolation in both
circuits of a minimum contact separation of 3mm, to a location in adjacent to the boiler.
If the boiler is situated in the same space as the supply companies’ meter, then this isolator will not be
required.
From the local isolator cables should be run in conduit, the same size as was used to bring the supply from
the switch fuse or MCB.
Mains Connections For Total Control Tariff
Other than having the split supply to comply with the Total Control Tariff, the boiler is the same as the one
operating on Scottish Power’s Economy 2000 Tariff
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