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The potential difference between L1 and L2 will vary from +325V to -325V and back to +325V 50 times per second. How can it matter which conductor goes into which terminal?TRy ot one way, if it doesnt work then swop the wires. It will not do any harm.
Ok got a multimeter how would I test for live?
By setting it to AC Volts on a range of 250V or above, plugging the two test leads into the correct sockets on the multimeter, connecting one probe to a known earth and the other to the wire you are testing.Ok got a multimeter how would I test for live?
By setting it to AC Volts on a range of 250V or above, plugging the two test leads into the correct sockets on the multimeter, connecting one probe to a known earth and the other to the wire you are testing.Ok got a multimeter how would I test for live?
However this is not necessary. You have two wires and two terminals. One wire in each terminal. Job done.
Does it not matter which way they go though they are currently wired like this
No, it doesn't matter. The switch would work just the same if you swapped the two wires over, and the dimmer will work fine whichever way you connect them too.Does it not matter which way they go though they are currently wired like this
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