Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below:
reg.3(1) (defn of British Standard Requirements) added reg.3(1) (defn of Institution Electrical Engineers Regs) revoked by Electricity Supply 1992 reg.2(a) of SI 2961, reg.2(b)
No electric line shall be used for the purpose of supply at a voltage greater than 440,000 volts.