A double pole breaker is primarily used with … Well, single-pole breakers and double-pole breakers differ in the voltage and amperage they provide as well as how they are wired. The minimum wire size that is allowable for use with a 30-amp breaker is 10 gauge. For example, a two-pole breaker at 15 amps on each pole (breaker handle) would supply 240 volts to the appliance on that branch at up to 15 amps, not 30. In case of three phase spa wiring, use 12 or 10 gauge wire size for each line. Typical applications for a double pole 30 Amp breaker include clothes dryer and hot water heater (240V up to 4.5Kw) in a home and requiring a wire size of 10-2. If it is #10 wire you'd have to re-wire with #8. It has a double 30 amp breaker. The electrical characteristics for my LG ductless mini split are as follows: MOP 35 amps MCA 23 amps Cooling rated amps 17.55 Heating rated amps 17.55 Compressor 17.3 amps Fan 0.25 amps A smaller gauge of wire indicates a larger diameter and the ability to carry more current safely. Single-pole breakers: Provide 120 volts, 15-20 amps and have one hot wire and one neutral wire. Electric clothes dryers. If you really want the 40 amp breaker check the wire size going to your 30 amp breaker (see above advice from ratchet freak: "you will need to know the gauge of the wire all the way from the breaker to the heater.") Kitchen countertop receptacles for small appliances. How To Wire a 30-amp RV Outlet Safely? The ANSI-certified and UL-listed unit is rated for 120/240 VAC and 10,000 AIR. In case of higher wattage, use the proper wire size according to the table and use manual. Can we replace the plug or receptical … read more The neutral wire goes on the neutral bus and the ground wire on the ground bus. Wire amperage is a measure of the amount of current a wire can … A 150-foot, 240-volt circuit running on a 30 amp, the double-pole breaker would need 8/3 AWG wire supplying the shed from the breaker box. 12. Welcome to the forums. This breaker will work only in Square D branded residential panels. ** 20. When used in home wiring a double pole breaker is used when a 240 volt service is needed (for a high draw appliance like a range or dryer). black to black, white to red, bare wire to the green screw provided inside the hole where the wires go. Unlike a double-pole breaker, which serves a single 240-volt circuit, a cheater serves two 120-volt circuits; it cannot be used to supply 240 volts to a single circuit. He had them all wired with six gauge wiring. However, this question appeared in my feed and I'm North of the border so I figured I'd add a little. #10 is fine for that application. For circuit breakers up to 15 amps, use 14 gauge wire or larger. Electric ranges. They are constructed with one hot wire and one neutral wire. This calls for a 30-amp, double-pole breaker wired with 10 AWG wire. The 2-Pole thermal magnetic circuit breaker features a lug terminal and accommodates aluminum/copper wire size of 14 - 8 AWG. 8. This designation As far as the 30 amp breaker … 500 Feet – a 120-volt, 20 amp circuit would require 1/0 AWG wire. A single pole breaker is typically used with 120-volt circuits, 15-20 amps. Most 30 amp circuits are 220 volt so you will need 10/3 with ground cable to power these. Typically you size the breaker to the wire. If not, change the breaker to a 40 amp 2 pole. 6. 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