No. when there is no current flow (everything on the far end turned off) there is no voltage drop. Putting a good meter on the 2 conductors, would show the same voltage as found on the supply to the cable. If you load the circuit with a 1200 watt heater, or an electric motor, you would see the reduced voltage from the resistance in the wire. Here is an example: If a gasoline engine tractor with 12v system and a ballast resistor to modify the voltage to the ignition circuit is checked for voltage (key on, points open) the voltage will show 12.6 volts every where in the circuit. No load no drop. If you used a headlight to check if there was voltage, it would be dim because it would load the circuit. Jim
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Today's Featured Article - History of the Nuffield Tractor - by Anthony West. The Nuffield tractor story started in early 1945. The British government still reeling from the effects of the war on the economy, approached the Nuffield organization to see if they would design and build an "ALL NEW" British built wheeled tractor, suitable for both British and world farming.
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