ElCaron:
that is why you have to be careful when handling car batteries).
And the mains 
Imagine if the national power supply of some gazillions of gigawatts came trundling through your walls when you turned on the lights.
ElCaron:
that is why you have to be careful when handling car batteries).
And the mains
Imagine if the national power supply of some gazillions of gigawatts came trundling through your walls when you turned on the lights.