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How to work out amps?

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  • Gerry1
    Gerry1 Posts: 10,848 Forumite
    Part of the Furniture 10,000 Posts Name Dropper
    edited 23 November 2019 at 5:40PM
    Ectophile wrote: »
    You won't have any lights to see by
    I believe that even at this time of year most places have daylight at certain times.
    Ectophile wrote: »
    you will have to sit by the meter with a torch.
    As above, and you don't need any light to see the red flashes.
    Ectophile wrote: »
    Everything with a clock in will need to be reset again when you turn the power back on.
    Not necessarily. Many devices, probably most, have battery backup.
    Ectophile wrote: »
    Finding the label on the back of the appliance, or digging out the instruction manubl is a lot less hassle.
    Did you read the first post? The OP did find the label, but it only says "220-220V" and then "50 Hz".
  • What exactly are you looking for?


    If you type make and model into google it will likely tell you the power consumption anyway.


    If u still wanted current, P/V=I
  • AndyPK
    AndyPK Posts: 4,351 Forumite
    Part of the Furniture 1,000 Posts
    the manual should give you consumption in W (watts)

    no need to convert to amps
  • Talldave
    Talldave Posts: 2,002 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    User manual or spec sheet will quote a figure, but it'll be for typical use. Maybe that's all the OP wants. But on a high end TV, watching HDR content will crank up the power consumption when the brightness is peaking. I've had TVs creaking as they heat up whilst showing 4k HDR.

    Agree that powering down the entire house is impractical. Better to do what I did and grab an Onzo monitor for £8 on ebay and simply see how much the consumption increases by when the TV's switched on. Do it enough times and you get a good idea of actual figures once you've eliminated the "fridge came on" measurements. But you'll never be able to measure standby consumption - however it's so low you don't need to!
  • getmore4less
    getmore4less Posts: 46,882 Forumite
    Part of the Furniture 10,000 Posts Name Dropper I've helped Parliament
    As said TVs have variable power consumption.

    Panasonic

    My old 42" plasma was rated at 385W(no average in those days)

    Current 55"OLED rated at 400W with average 142W.

    A 58 LCD(led) from the range would be 143W 85W
  • Sterlingtimes
    Sterlingtimes Posts: 2,522 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    edited 24 November 2019 at 11:07AM
    I measured the combined power consumption of the following over one year: 42 inch LED TV, Sky Q box, DVD player, Bose Soundbar, Develo powerline adapter. Answer 496 kWh. That equates to an average of 56.6 watts in each hour. Standby consumption is 31 watts peak consumption is 108 watts.

    Our tumble dryer measured in at 539 kWh over one year. Surprisingly, the television set up used a similar amount of power as the heavily used tumble dryer.
    I have osteoarthritis in my hands so I speak my messages into a microphone using Dragon. Some people make "typos" but I often make "speakos".
  • AndyPK
    AndyPK Posts: 4,351 Forumite
    Part of the Furniture 1,000 Posts
    31W standby!!!! bet that's the Sky box
  • Talldave
    Talldave Posts: 2,002 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    AndyPK wrote: »
    31W standby!!!! bet that's the Sky box

    Indeed. The TV will probably be 0.5W or less. Powerline probably 5 or 6W. My Powerline adaptors drop to 0.5W when the connected device goes to standby, but I bet the Sky Q is pinging it so it never sleeps.
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