"Andy Hall" wrote
| You could also get plugs that would fit a bayonet light socket
| and then a Y-shaped adaptor for it and the bulb

I remember them being used for christmas lights at kindergarten. We all made
little paper lanterns to fit over the hot electric bulbs...

| At one time, these were popular as a way to connect the iron.
| No earth of course......

Somewhere I have a lovely advertisement advocating their use in the bathroom
for the electrically heated shaving mug.

Owain