If you mean too small a wire it depends on the length of the run. Wire has resistance and you will loose voltage. If the run is too long for the wire size then you may end up with far less than the voltage requirement of the electrical equipment used in the out building. You may start with 240 volts and end up with 200 volts. Same thing applies to 120 volts. Measure the voltage at the outlet to see what you have.
The white stripe on a DC wire typically indicates a negative or ground connection. It helps distinguish the wire's polarity or function in a circuit to prevent incorrect connections.
No, in a sub-panel of an outbuilding, the neutral and ground should be kept separate and not bonded together. This is to prevent the potential for ground loops and to ensure proper functioning of the grounding system.
No, a GFCI does not need a ground connection to function properly.
Just checked and it does have a ground connection.
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Generally the electrical grounding connection on a vehicle is the ground on the battery. However, there are also older cars that the ground is the metal frame. The black post on the battery is the ground.
'com' is short for common. This is the ground connection.
A bad "earth" connection means a poor ground connection to the earth which is not technically how it works in cars. This would be the appropriate way to say something for homes or systems connected physically to the ground. A bad ground connection in cars simply means that there is one or more grounding wires that have a loose, corroded, or otherwise faulty connection. This can adversely affect vehicle performance depending on what circuits use the ground. When there is a poor ground connection there is more resistance in the circuit that needs it (not good). There can also be an intermittent connection which will also cause issues. Ground connections may come loose from age if they are bolted in place or become rusted. A shop manual for the specific vehicle should have detailed information on where every single ground connection is on the car.
A bad ground wire or ground connection.
Incorrect wiring connection, burnt insulation, or internal components are shorted to ground The news is not good. Apparently there is a short within the alternator. Very likely is not providing sufficient voltage at this point to keep the battery charged. Autozone will check it for free.
Yes, a GFCI can work without a ground connection because it detects imbalances in the electrical current and shuts off power to prevent electric shocks, even if there is no ground wire present.
I'm not sure exactly what your asking, but the entire chasis of the vehicle is considered 'grounded', because of the ground connection at the battery.