Only on an old car to test if the stray wire connected to positive or not, or on a disconnected battery to see if the battery is strong enough for bench testing something, or to demonstrate what happen if you touch two jumper cable together while it connected to the battery.
So ,you would short a car battery to see if it’s working??
Only on an old car to test if the stray wire connected to positive or not, or on a disconnected battery to see if the battery is strong enough for bench testing something, or to demonstrate what happen if you touch two jumper cable together while it connected to the battery.