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Commercial and Domestic voltage.

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RossyBwoy | 11:38 Tue 17th Jul 2007 | How it Works
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Does anyone know what the voltage is for domestic electrics and what the voltage is for commercial/industrial electrics?

and also, why are they different?
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Avatar Image Doc Spock
Electricity is fed around this country in a trhree phase system.
This means 3 live wires and 1 neutral.
Between each live and neutral there is 240 volts for domestic use. between each phase, ie, live no 1 and 2, 2 and 3 and 1 and 3 there are 415 volts for industrial use. More power for bigger motors, bit more to it than that , but this is the basics.
12:21 Tue 17th Jul 2007
Avatar Image buildersmate
Under EU harmonising law the Phase to Neutral voltage has to be within +10% and -6% of 230V. The UK system was designed around 240V but it can vary a little.
14:59 Tue 17th Jul 2007
Avatar Image olly8080
240 for domestic
110 for industrial ie building site

110 shock wont kill you and thicker cables so less dangerous in water etc etc
08:57 Thu 19th Jul 2007

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