So to get an idea of what 30 amps might run in an rv, what can you usually run at the same time without causing too much strain on, or issues with, your 30 amp hook up? A PWM controller will have an amp reading for it, for example 30 amp PWM controller. However, a double pole breaker is essentially two breakers tied together with a handle tie, so it can … When it comes to designing a circuit breaker panel, you must understand how the appliances "pull" current. Generally the two things you want to look at in a PWM controller is the amperage and voltage rating. You can't use tie wire, a nail, or any other unapproved method. At 220 volts, this is 50 amps! 50-amp plugs have two 120-volt hot pins, a flat neutral pin, and a round ground. Say it is a good, quality hook up with proper wire sizing etc. These are both 20 amp breaker and I'm at 18.6 and 18.9 on the other but they didn't blow after burning the lights for over 4 hours but the circuit breakers were warm to the touch. Single-Pole Circuit The GE Q-Line 30 Amp 1 in. If an appliance attached to a 120V energy source requires 1200 watts to run, it will automatically pull 10 amps of current through the line. A single breaker normally has 120V. The GE Q-Line 30 Amp 1 in. Therefore, the breaker on that outlet could meet code and still trip anywhere between a total load of 2,880 watts (80 percent of 3,600 watts) and 4,320 watts (120 percent of 3,600 watts). A water heater though, uses a 30 amp breaker. Better yet, you can use a common trip 2 pole breaker. As to the use of single pole breakers for a multiwire branch circuit, that is a code violation unless the breakers are tied together with a handle tie from the manufacturer. This represents how many amps the controller can handle, in the case above, 30 amps. The breaker case is made of heat-resistant thermoset for stability and structural integrity. 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). Thanks for the feedback but see I'm putting Christmas lights up and i balanced the amps out on these circuit breakers with the amp meter. 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. The electric dryer uses a 30 amp breaker. A 30-amp outlet supplies 3,600 watts (30 amps multiplied by 120 volts). A 15 amp circuit breaker should trip at 15 amps regardless of the load voltages or impedances. Single-Pole Circuit Breaker has a tin-plated copper stab to create a reliable, permanent and corrosion-resistant connection. Even if this is true, this means the water heater uses 25 amps. 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. 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