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    Electrics came back on without doing anything

    All electrics in the garage went out. It was caused by a heater fan I had one for a hour or so. It is a very very old heater fan. I presume it's got a fault. Anyhow there is a board in the garage and also a board in the house. The house lights were fine and nothing tripped out. The garage...
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    Max amps from UK socket

    I have been told I can use a 30Amp welder from a normal UK socket. But I have seen numerous posts that say 13amp is max from single socket and 20AMP is max from double socket: I must be missing a trick. Some internet postings below. "Double sockets are rated for 20A draw, over this long term...
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    Voltage Flucuating /Stablizer

    I have built an air flow bench using vacuum cleaner motors and there is a voltage fluctuation from the wall of around +-4 volts. This is causing the readings on the manometer to be erratic and is defeating the object of the project. Is it possible to stabilize the voltage to accurace of 99.5%...
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    Deep fat fryer causing electric to trip

    I have a Tefal 1000 deep fat fryer. It is the first time I have used it. Was given as new a few years ago. I used the same outlet as I use for the kettle 2200w and a microwave 700w. The Tefal was on for around 30 seconds and it tripped the RCD in the house electric. Kettle works fine and also...
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    12V DC adaptor showing 19V

    I was checking polarity using multimeter on some 12v DC adaptors I have. Doing this showed me the voltage. Here on my readings: 12V DC 200ma = 19V 12V DC 500ma = 16V 12V DC 1000ma = 14V Question 1): Why are they not showing 12V? Is this because all happen to be unregulated? Question 2): Why...
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    Magnetic Contactor Over/Under Voltage

    What voltage should be used in the UK for a magnetic contactor? 240V, 230V or 220V I know over voltage and under voltage can lead to the coils being burnt out over time. From the wall I am drawing in around 235V but when being used it drops around 225V-230V. Is it still wise to buy the 240V...
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    single phase into 3phase trip switches/contactors etc

    Can I wire single phase into 220-240V 3phase trip switches/contactors etc. What I am trying to do is protect a 220v-230v encoder but want the earth wires to look neat. professional looking. Please see picture below
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