In article , John
writes

You have a bad connection. You MUST fix it as it is a fire risk.

I have to agree. In the kitchen I have three lamps on flying wires
plugged into a triple-way adapter at the transformer. Two lights are
ok, the third was only coming on whenever it felt like it. Solid
on/off. None of the typical flickering at all. Changed the lamp a
couple of times with no effect.

Physical movement had no effect. In the end I swapped the misbehaving
lamp with its neighbour at the 3-way socket - problem gone. The
plug/sockets are very similar to the ones you see on PC power supplies
at the motherboard end (Molex connectors).

It worries me a bit that the connections on those cheap Chinese made
things can be so ephemeral.

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(='.'=) Bunny says Windows 7 is Vi$ta reloaded.
(")_(") http://imgs.xkcd.com/comics/windows_7.png