I have just bought 2 Stewart propagators,I was wondering if they have to be on mains or can I use an extension lead?
South West UK
I can't see a problem with using an extension lead provided you don't overload it. I should imagine that 2 propagators don't use a vast amount of energy, but you may find this useful.
https://www.london-fire.gov.uk/safety/the-home/electrical-items/cables-fuses-and-leads/#:~:text=Using extension leads safely&text=Always use a fused 'inline,kettles, tumble dryers or heaters
I'm sure there are forum members who can confirm
Yes you can - that'll be fine.
They draw a tiny amount of current.
Knowledge is knowing that a tomato is a fruit.
Wisdom is not putting it in a fruit salad.
I use my windowsill propagator on an extension lead because there isn't a socket close enough. I often have it on a plug-in timer as well, so it only comes on from evening to morning when the ambient temp. is lower (it doesn't have a controllable thermostat and can get too hot in the daytime).