You wouldn't call a plumber to fix a dodgy light socket.

So the group set about analysing tiny details of the video such as the bed cover, light socket, wall plugs - even the doorknob.

Water poured through the kitchen ceiling light socket, fusing the electricity.

It's wired up to the old light socket, so it's very energy-efficient, consuming less power than a 100-watt bulb.

These may be simple sets in typical holiday colors, or the type with plastic ornaments which the light socket fits into.