I am attempting to fit a new light fitting, expecting it to be straight forward. But the light either remains permanently on or permanently off - ie. the switch isn't working.

Coming from the ceiling I have two reds, two black and one earth.

I'd assumed that I should connect both red wires to the live terminal on the new light fitting and the black wire to the neutral. But, as I said, this results in the light being constantly on.

Any thoughts or suggestions would be appreciated.

Thanks.

claxton2009, February 2009

One of the black wires should have a red band on it - this wire goes into the live, the other black to the neutral, and the two red wires together in a piece of terminal block.
Connect the earth to the fitting if there's a terminal for it.

Adam, February 2009