I have just fitted a new ceiling light, the light worked fine but as soon as i turned the switch the fuse blew, i have replaced the fuse wire but none of the lights in the house turn on now, all the fuses are fine, just seeking some advice before i ring a sparky.
At the ceiling you have connected Switched Live directly to Neutral with no lamp as a load... When you put the switch on a short circuit blows the fuse.
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Try fixfault.com to fix lighting.