I have a brother-in-law who's a firefighter, and this is his cold weather advice for you

It may be a bot, but still very useful advice!

Anyway, here's Wonderwall.

This is much less of a problem with 230 volts

Why. I need to know why or I'll keep doing it.

Is like a microwave where the draw is just too high?

I learned this the hard way. The wiring in our house is terrible but the heats broken so we needed space heaters. Needless to say at 4 am I woke to my own personal 4th of July in my room. Thank God I didn't sleep through it.