12 gauge or bigger.
A #14 wire will do fine for grounding a 20 amp device. That is the size of the ground wire in a 2 conductor # 12 wire building cable.
The correct size fuse needed is based on the size wire used in the circuit. The size wire needed is based on the load that will be applied to the circuit. 1. AWG 14/2 wire = 15 amp fuse 2. AWG 12/2 wire = 20 amp fuse 3. AWG 10/2 wire = 30 amp fuse 4. AWG 8/2 wire = 40 amp fuse
AWG # 10 wire on 30 amp circuit.
16 mm to 18 mm
It depends on the length of the run
40 amp
Normally AWG #10 wire on a 30 amp breaker but it really depends on the size of the pump. The pump manufacture will specify the size wire and size breaker needed.
36 watt / 12 volt = 3 amp
This is a voltage drop question. To answer this question a voltage must be stated.
200 amp service in chicago uses 3 aught.
A #1 copper wire with an insulation rating of 90 degrees C is rated at 140 amps.
Yes, they are the same size wire.