Double Pole Breaker Wiring

Double pole breakers are twice as wide as standard breakers and attach to both of the 120 volt hot bus bars in the service panel.

Double pole breaker wiring.

Take the wire of the double pole circuit breaker. A 3 wire 240 volt circuit has two hot wires each supplying 120 volts for a total of 240 and an equipment ground wire. Free delivery with 45 order. Make sure the wire is gauged well in order to support the amperage of the breaker.

Provide 120 volts 15 20 amps and have one hot wire and one neutral wire. When single pole breakers are installed they snap into one pole to receive 120 volts. In addition these heavy duty breakers have. Double pole circuit breaker model thql2120 9 55 9 55.

Using a wire cutter or a wire stripper strip the wires off inch of insulation from the black red as well as the white wires you find. These breakers control 240 volt circuits that power large appliances such as electric water heaters dryers and ranges. Circuit breaker panel box wiring diagram. Certain appliances as well as service panel subpanels require 240 volt circuit breakers also known as double pole breakers.

This page contains wiring diagrams for a service panel breaker box and circuit breakers including. Step 4 install double. Free delivery with 45 order. 15amp 20amp 30amp and 50amp as well as a gfci breaker and an isolated ground circuit.

Circuit wiring that connects to double pole breakers contains two hot wires. The voltage from either leg to the neutral line is 120 volts but across the two hot legs is 240 volts which is double the 120 volt supply. Do this until you expose the bare copper wires. This diagram illustrates some of the most common circuits found in a typical 200 amp circuit breaker service panel box.

A 120 volt circuit has only one hot wire connected to the breaker plus a neutral wire connected to the neutral bus bar in the service panel. Eaton ch 30 amp 2 pole circuit breaker with trip flag model chf230 19 23 19 23. Ge q line 20 amp 2 in. Each pole or connection point on the bars carries 120 volts of electricity.

Most homes have one or more double pole circuit breakers in the electrical panel. Set your store to see local availability add to cart. We ll take a closer look at the differences between each of these breakers and discuss when you should use one over the other.