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To answer this question a voltage must be given. Watts = Amps x Volts.

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At 115 volts ac, 30 amps equals 3,450 watts.

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How many watts can be on a 15amp breaker?

At 120 volts a 15 amp breaker can be loaded to 1800 watts before it will trip. If it is a continuous load then the electrical code states that it is only allowed to be loaded to 80%. This will be 1800 x .8 = 1440 watts. If the voltage is not 120 volts use the following equation Watts = Amps x Volts. Amps being the breaker size that is to be used.


How many led c9 bulbs can you put on a 20 amp breaker?

The number of C9 LED bulbs you can put on a 20-amp breaker depends on the wattage of the bulbs. Typically, C9 LED bulbs use about 0.5 watts each. A 20-amp breaker can handle up to 2400 watts (20 amps x 120 volts), so you could theoretically use around 4800 C9 bulbs (2400 watts ÷ 0.5 watts per bulb). However, it’s advisable to limit the load to 80% of the breaker’s capacity for safety, which would allow for about 3840 bulbs.


What amp breaker do you need for 1500 watts at 120volts?

To calculate the amperage needed for 1500 watts at 120 volts, use the formula: Amps = Watts / Volts. In this case, it would be 1500 watts / 120 volts = 12.5 amps. Therefore, you would need a 15 amp breaker for this circuit to accommodate the power load safely.


If a 120 volt current is protected by a 25 amp circuit breaker What is the largest number of watts an appliance can safely use?

The largest number of watts an appliance can safely use on a 120V circuit protected by a 25A breaker is 3000 watts. You calculate this by multiplying the voltage (120V) by the amperage (25A). This gives you a maximum power capacity of 3000 watts on this circuit.


How many watts can you run in 20 amp?

20 Amp * 120 Volts = 2400 Watts 2400 Watt * 80% max use = 1920 Watts planned normal usage for a circuit with a 20 Amp breaker.

Related Questions

What is the wire size required for 1800 watts for lamps?

14 gauge will handle it with a 15 amp breaker. If you use 12 gauge use a 20 amp breaker.


How many watts can be on a 15amp breaker?

At 120 volts a 15 amp breaker can be loaded to 1800 watts before it will trip. If it is a continuous load then the electrical code states that it is only allowed to be loaded to 80%. This will be 1800 x .8 = 1440 watts. If the voltage is not 120 volts use the following equation Watts = Amps x Volts. Amps being the breaker size that is to be used.


How many watts on a 40 amp circuit breaker?

about 4800 watt but should not use it 100% so to be safe 4000 watt (80%)


How many led c9 bulbs can you put on a 20 amp breaker?

The number of C9 LED bulbs you can put on a 20-amp breaker depends on the wattage of the bulbs. Typically, C9 LED bulbs use about 0.5 watts each. A 20-amp breaker can handle up to 2400 watts (20 amps x 120 volts), so you could theoretically use around 4800 C9 bulbs (2400 watts ÷ 0.5 watts per bulb). However, it’s advisable to limit the load to 80% of the breaker’s capacity for safety, which would allow for about 3840 bulbs.


What amp breaker should you use with 3700 watt element?

To determine the appropriate amp breaker for a 3700-watt element, you can use the formula: Amps = Watts / Volts. Assuming a standard voltage of 240 volts, the calculation would be 3700 watts / 240 volts = approximately 15.4 amps. It is advisable to use a 20-amp breaker for safety and to accommodate any inrush current, ensuring the breaker can handle the load without tripping.


What amp breaker do you need for 1500 watts at 120volts?

To calculate the amperage needed for 1500 watts at 120 volts, use the formula: Amps = Watts / Volts. In this case, it would be 1500 watts / 120 volts = 12.5 amps. Therefore, you would need a 15 amp breaker for this circuit to accommodate the power load safely.


Can you use 14 wire for a light off a 20 amp circuit?

Yes, in home wiring as long as it is protected by a 15 amp breaker. Remember this circuit will only handle 1800 watts and cannot be loaded to any more than 1440 watts. So if each light is 75 watts then the maximum you can install is 19.


If a 120 volt current is protected by a 25 amp circuit breaker What is the largest number of watts an appliance can safely use?

The largest number of watts an appliance can safely use on a 120V circuit protected by a 25A breaker is 3000 watts. You calculate this by multiplying the voltage (120V) by the amperage (25A). This gives you a maximum power capacity of 3000 watts on this circuit.


How many watts can you run in 20 amp?

20 Amp * 120 Volts = 2400 Watts 2400 Watt * 80% max use = 1920 Watts planned normal usage for a circuit with a 20 Amp breaker.


What size breaker for a 1500 watt 120 volt heater?

To calculate the breaker size for a 1500-watt 120-volt heater, use the formula: Breaker size = Power (Watts) / Volts. In this case, 1500 watts / 120 volts = 12.5 amps. Therefore, you would need a 15-amp breaker for a 1500-watt 120-volt heater to allow for a safety margin.


Can you use a 60 amp breaker with a 50 amp overcurrent device?

A 50 amp breaker is an overcurent device.


How much wattage is available in a 15amp breaker?

A 15-amp breaker can handle a maximum load of 1800 watts (15 amps x 120 volts). However, it is recommended to only load a circuit up to 80% of its capacity, so in practice, you should only use up to 1440 watts on a 15-amp breaker.