Originally Posted by
SASless
.....And if there is no Fuse?
There is always a fuse. Even wired by an Indian (OK SASLess I know you won't get that one) there is a fuse. I saw a small workshop in India and it had fuses.
OK, let's call them current limiters.
At some point the circuit is closed completely bypassing the load. If he achieves open circuit then bingo, no lights. If, OTOH, he 'joins' positive and negative together then the circuit will overload. The weakest item will 'blow'.
I once had a dead short on a 12v line. The effect was dramatic and near instantaneous. I finished up with a couple of feet of hot plastic tube - no wires.