In an oven. The "hot" wire is in series with the ove thermostat and provides an isolated circuit for turning on the oven element(s).
Stove
Refrigerator
The black wire is the hot wire through which the electrical current flows to the appliance. The left over voltage which is usually zero flows back to the main circuit panel through the white neutral wire where it flows to ground.
a shorted out outlet can cause a backfeed on the white wire, an open circuit on the white wire with and electrical appliance plugged in to an outlet can cause the same type of backfeed
for safety purposes the safety ground in normal operation, both the hot and neutral alternately
No current flows in the circuit when the circuit is open, as in when the appliance is switched off. The voltage is on the "hot" side of the switch when it is in the open position but the neutral is not energized until the switch is closed.
You need a double pole relay, that is a relay with 4 connection places. [screws, etc.]. Place your 2 hot wires on the screws marked line, makes no difference which wire on which screw. The 2 wires being energized by the relay action go on the load screws of the relay. Square D makes a good quiet relay. Also make sure you buy a relay large enough to carry the load. The amperage on the device the relay is to control will determine the relay size. See View Discussion for more information.
The typical rating of a hot wire relay contacts is 35 amp
Yes. Older refrigerators used a hot wire relay in the starting circuit of the compressor.
35 ampRefrigeratorRun a hot wire to the positive wire on the radiator fan
The typical rating of a hot wire relay contacts is 35 amp
The black wire is the hot wire through which the electrical current flows to the appliance. The left over voltage which is usually zero flows back to the main circuit panel through the white neutral wire where it flows to ground.
THE # 1 IS
To avoid a shock if the hot wire in the appliance should come in contact with a metal appliance part that the user could touch.
You can use a wire tester to determine if a wire is live. You can also touch the positive wire on the ground wire, if the wire produces a spark it is live.
Relay problems or a floating hot wire.
Take the relay out and hot wire the pump. If it works, its not the pump.
by pass the relay under the pass seat , hot wire the relay-not recomended
a shorted out outlet can cause a backfeed on the white wire, an open circuit on the white wire with and electrical appliance plugged in to an outlet can cause the same type of backfeed