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NATIONAL TERMS OF CONNECTION
(GREAT BRITAIN)
Supply Characteristics
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For information
As required by law, the electricity
delivered to your premises through our distribution
system will normally be at one of the voltages set
out below and will have the technical characteristics
stated there:
- At 230 volts nominal: normally
a single-phase supply, with a permitted range
of voltage variation from plus 10% to minus
6%.
- At 400 volts nominal: normally
a three-phase supply, with a permitted range
of voltage variation from plus 10% to minus
6%.
- At either of the above voltages:
the supply frequency will be 50 hertz, with
a permitted nominal variation of plus or minus
1%.
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