Lights range from 300 to 1000 watts and there can be hundreds of them. Amps are rated by watts and they are useing many of these at a time. A concert probably uses more power than a very large house does in a year.
Hoovers use 1000 - 2000 watts
Abut 20 watts.
25 watts.
it may use 15 to 25 watts
Usually about 1200 to 1500 watts.
they use around about 55 watts for each headlight.
3/4 of watts
About 400 watts when cycled on
I read somewhere that it's 100 watts.
Watts divided by voltage. Standard crockpot use 1-2 amp.
Not very many, probably less than 20 watts.