A 30 amp circuit powers most domestic water heaters, some older or larger air-conditioners, table saws and a few other power hungry devices. The 30 A breaker you seem to be describing is a 240V breaker. Welcome to the forums. ** 20. We have a space heater with a number 6-30P 250V 30 Amp plug We have a standard 250v 3 wire grounding receptical rated 20a 250v ac. CH 30 Amp 1-Pole Circuit Breaker with Trip Flag Eaton has enhanced its premium Type CH residential Eaton has enhanced its premium Type CH residential circuit breakers, making the best even better. The neutral wire goes on the neutral bus and the ground wire on the ground bus. Said he was told if the wire was larger for the 30 it would not matter. When plugged into a shore power using a single cable, an RV turns into a single appliance. The 30 AMP is a standard ANSI C73.13, TT-30P (plug) / TT-30R (receptacle). In case of higher wattage, use the proper wire size according to the table and use manual. 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. What size breaker do I need for a 2000 watt water heater? A single breaker normally has 120V. #10 is fine for that application. The first, a single pole breaker and the second, a double pole breaker. One may also ask, can you put a 30 amp breaker on 12 gauge wire? The code on over current protection is usually based on the wire size. A 30-amp breaker does not operate safely with a 12-gauge wire. A smaller gauge of wire indicates a larger diameter and the ability to carry more current safely. This calls for a 30-amp, double-pole breaker wired with 10 AWG wire. 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 I recently purchased a ductless mini split and am trying figure out the correct breaker and wire size. This current must be fused by a 30 amp circuit breaker, single pole. 15. If you use a 30 amp fusible pullout disconnect, be sure to use a dual element or time delay 30 amp fuse. 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). A double pole circuit breaker provides an appliance with 2, 30 amp, 120 volt services, for a maximum draw of 30 amps at 240 volts. In your case the wire is number 12 so it would call for a 20 amp breaker. The ANSI-certified and UL-listed unit is rated for 120/240 VAC and 10,000 AIR. Most 30 amp circuits are 220 volt so you will need 10/3 with ground cable to power these. Can we replace the plug or receptical … read more 50. ... C-Series White Toggle Circuit Breaker - Double Pole 30 Amp 7365. A double pole breaker is primarily used with … No idea why 20 Amp breaker was installed. He had them all wired with six gauge wiring. How To Wire a 30-amp RV Outlet Safely? If not, change the breaker to a 40 amp 2 pole. It has a double 30 amp breaker. The materials are on hand, so it’s time to install all the new wire between the breaker and the new 30-amp outlet. In addition to the industry exclusive "Trip to OFF" and simple 1-Step Reset feature, Eaton has added a trip flag to visibly indicate breaker status. However, this question appeared in my feed and I'm North of the border so I figured I'd add a little. This breaker will work only in Square D branded residential panels. Breaker / Fuse Size (Amps) Wire Gauge (Copper*) Most Common Application. I would leave it the way it is. The minimum wire size that is allowable for use with a 30-amp breaker is 10 gauge. Typically you size the breaker to the wire. It is not OK to use a 40 amp breaker for a dryer outlet. Electric clothes dryers. 500 Feet – a 120-volt, 20 amp circuit would require 1/0 AWG wire. Q230 - Siemens 2 Pole 30 Amp Breaker Siemens QP breakers provide easy plug-in connections in Siemens enclosures and the time saving Insta-Wire feat... View full details $24.98 When you wire a 60-amp breaker, you need 3-conductor wire, either 6-gauge or 4-gauge. Correct Wire Gauge For Home Circuits. 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. It uses a 120-volt current. If it is #10 wire you'd have to re-wire with #8. If you have a 30 amp double breaker, you can connect a single 10 gauge hot wire and it will work for 120 volt. A different type of doubled-up breaker is a "quad breaker," which serves two 240-volt circuits but is the same width as a standard double-pole breaker. 1 SINGLE POLE 30-amp 120-volt Breaker 1 TT-30 Receptacle and 1 Black (HOT), 1 White (NEUTRAL) and 1 Ground Correctly sized wire The 30-amp service for an RV is 120-volt with a 3 prong receptacle and a single 30-amp dedicated breaker. The 2-Pole thermal magnetic circuit breaker features a lug terminal and accommodates aluminum/copper wire size of 14 - 8 AWG. So you need TWO separate double-pole 40 amp … 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 … 10. 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. Water heaters. 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.") No problem. The manufacturer also requires a 30 amp breaker. Be sure to mark the white wire with black tape or color it with a marker on the end at the box and at the water heater. General household receptacles and lighting. 300 Foot Run – a 120 volt, 20 amp circuit would require 4/2 AWG wire. A 40-amp double-pole breaker is 40 amps on each leg. However, a double pole breaker is essentially two breakers tied … These are almost always a double-pole breaker. At the water heater end. Exclusive VISI-TRIP indicator provides highly visible red indicator flag for easy identification of tripped breakers. black to black, white to red, bare wire to the green screw provided inside the hole where the wires go. This breaker will work only in Federal Pioneer Stab-lok branded residential panels. In Canada the typical person will almost never encounter the 30 amp breaker. Any ‘real’ electrician would know a 14-50 would need a 50 amp breaker and wire to fit. Square D bolt-on circuit breaker has a voltage rating of 120/240 Volts current rating of 30 Amps and interrupting rating of 10 kilo-Amps. Use 8# or 6.0mm 2 wire for the same 12kW spa three phase 208V where the max current is 33.3 amp. They are constructed with one hot wire and one neutral wire. This designation Connect each of the hot wires on the cable to one of the lugs on the breaker and snap the breaker … The amplifier has it's own appropriate over current protection by virtue of it's fuses. Certain appliances, as well as service-panel subpanels, require 240-volt circuit breakers, also known as double-pole breakers. The bottom line is, a 2000 watt 120 volt water heater should be on a 30 amp circuit consisting of #10 wire and a 30 amp single pole circuit breaker . 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. For example, use 12# or 4.0mm 2 wire for up to 12kW, three phase 415V – 480V where the max current is 18.2A. Get Started > The Circuit Wizard app is available for Android™ devices & iOS devices. 6. A single pole breaker is typically used with 120-volt circuits, 15-20 amps. 8. This was found in a panel today. There were three 60 amp breakers going to the Air handler, stove and electric on demand water heater. QO 20 Amp 2-Pole Circuit Breaker The Square D by Schneider Electric QO 20 The Square D by Schneider Electric QO 20 Amp Two-Pole Circuit Breaker is intended for overload and short-circuit protection of your electrical system. The 14 gauge wire will be OK on the 15 amp double, since you are only using a maximum of 15 amps per half of circuit, and the breaker will trip if either of the sides are overloaded due to the tie together on the breaker. Well, single-pole breakers and double-pole breakers differ in the voltage and amperage they provide as well as how they are wired. As far as the 30 amp breaker … A 30 amp circuit requires a number 10 (10 gauge) wire. Tom provided an excellent answer from an American perspective. Typical applications for a double pole 30 Amp breaker include clothes dryer and hot water heater (240 V up to 4.5 Kw) in a home and requiring a wire size of 10-2. At the breaker box , black to the breaker , white to the breaker, bare wire to the ground bar . I severely doubt your electrician friend is actually an electrician or he totally misunderstood what you wanted. A 30 amp circuit breaker should provide an adequate time delay for the compressor to start. Wire amperage is a measure of the amount of current a wire can … Use the Blue Sea Systems Circuit Wizard to select the correct wire size, circuit breaker or fuse type and amperage, and fuse holder. A 30 amp breaker will have a ‘single-pole’ appearance, meaning to say, it should have one handle, and one spot for the wire. 12. Single-pole breakers: Provide 120 volts, 15-20 amps and have one hot wire and one neutral wire. In case of three phase spa wiring, use 12 or 10 gauge wire size for each line. There should be two black wires or perhaps a black and red wire connected to the two screws on the breaker. This breaker will work only in Square D branded residential panels. Electric ranges. Double-pole breakers: Provide 240 volts, 20-60 amps and have two hot wires that share one neutral wire. Currently I have a 220v, 30 amp breaker with 10 AWG Romex. This article will explain how to wire a 30 amp RV breaker safely and adequately. The minimum wire size that is allowable for use with a 30-amp breaker is 10 gauge. There was two 30s going to the compressor and washer/dryer combo. A 240 volt, 30 amp circuit would require 4/3 AWG wire. 30. The receptacle is rated for 30 amps and cannot be protected by a larger amperage breaker. 40. Seems simple to me. It sounds, though, as if this water heater requires TWO separate 40A 240V circuits -- 80A total. Can you have a 6 gauge wire go to a 30 amp double breaker? In this way, can I use a 40 amp breaker for a 30 amp dryer? 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. Kitchen countertop receptacles for small appliances. For circuit breakers up to 15 amps, use 14 gauge wire or larger. For a 20 amp breaker, use 12 gauge wire or larger. 14. Breaker will work only in square D branded residential panels a 30 amp 7365 app available! One may also ask, can you put a 30 amp breaker 12... 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