Dedicated circuit electrical-wiring-diagramsPart of electrical-wiring-diagrams is dedicated circuits. You may feel like hiring a licensed electrician for these heavy circuits, but they're quite simple. We all want the cheapest electricity when we have a choice, but the proper installation of these dedicated circuits also helps save energy.
Dedicated circuits are easier to run than lighting circuits because there isn’t any branch circuitry. There is only one thing on each circuit. This is a definite code requirement. The dedicated circuits will require special wire and breakers. Each appliance will have a specific outlet or plug that will be used. The only appliance that has no outlet is the water heater. It will be hard-wired which means the cable will run from the wall directly into the water heater’s own wiring box inside the water heater. Any cable that comes out of the wall through the sheetrock should be encased in flex conduit (BX Cable) or wire loom and fastened at each end from the wall to the appliance with cable fasteners or grommets. The water heater circuit will be a Romex 10-2 cable utilizing both black and white wires as hot lines. This gives the water heater a total of 240 volts.
The diagram below shows the circuit run for a Range/Oven. The fuse is a 50-amp, 240-volt breaker. The cable is 6/3-Range cable. The outlet is a four-wire plug.
All dedicated circuits will be similar to the Range/Oven circuit in the way they are run and connected to the breakers and the outlet plugs. The clothes dryer is like the oven/range, where it is plugged in to an outlet. The circuit is a dedicated 10-3 Romex cable with a 30-amp breaker.
The other dedicated circuits in your home will be heat pumps and air-conditioning systems. They will be hard wired like the water heater. Baseboard heaters can be on a circuit with other baseboard heaters. The limit is usually three heaters to a circuit. This will most likely be on a 30-amp breaker with 10-2 Romex cable. electrical-wiring-diagrams top of page
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