voltages

  1. eveares

    What's your average single phase measured voltage? Is 251V at point of measurement common?

    So to set the scene, my elderly grandparents live in the rural Kent countryside and have had a APC UPS for a while as they live out in the country and get a fair few power cuts, and not only their internet/router but also there landline phone depends on the mains power being it's a VoIP landline...
    • eveares
    • Thread
    • battery backup high voltage mains voltage nominal voltage tetsing ups voltage voltage drop voltage tester voltages
    • Replies: 86
    • Forum: Electrics UK
  2. Xerxel

    What should the voltage be across the mains switch when off?

    Hi In my (new) consumer unit, there are 3V across the Neutral bar and the earth bar, when the mains is off. There is also 53V across the mains switch from L to N when it's off and 44V between the line supply and line out. Is this normal when the mains switch is off? Isn't N and Earth connected...
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