Last edited 29 Oct 2016

Low voltage

According to Approved Document P - Electrical safety – Dwellings:

Low voltage is, ‘A voltage exceeding extra-low voltage, but not exceeding 1000V ac or 1500V dc between conductors, or 600V ac or 900V dc between conductors and earth.’

Where extra-low voltage is, ‘A voltage not exceeding 50V ac or 120V ripple-free dc, whether between conductors or to earth.’

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