My 4 gauge power cable is hooked up to the battery's positive terminal and the other end to my amplifier's terminal. Is it safe to accidentally touch the ring terminal (end) of this power cable? I won't feel any electrical shock or anything will I?
Anything below 30 amps DC will not hurt ya. However,.. you CAN get shocked by DC voltage. -its when you get up around 75 amps that will feel hot like a fire heated wire. At around 150 amps it still won't shock you like AC current but will make you pee on yourself.
You can touch it but do not hit any metal with it or you can unhook your battery
Well it's DC powerdirect currentso it cant hurt a person,however if it grounds out on something in or on the car it can injure you with the sparks or heat produced by welding its self to whatever the object is that grounded it.
No you should be fine but you should turn the car off and hook the amp up and the positive wire on the positive side of the battery then start it up
if you touch the positive terminal with one hand, and any part of the car's frame or engine block with the other with the engine running at idle, you'll complete an electrical circuit that will put about 13 volts right through your chest. With the engine off, it'll be closer to 12.6 volts. Luckily, your body is a poor conductor, with a resistance of around about 200k to 500k ohms (2 - 5 hundred thousand ohms). Less if you're sweaty. At least, that's my resistance. That means you have about .026 milliamps (13 volts divided by 500k ohms x 1000) of electrical current running through your heart. But don't worry, that's a fraction of what it would take for you to even notice it. Of course, if you have an implanted pacemaker, all bets are off.
