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Can you use a 20 amp breaker if the amp rating on a heater is 21 amp?
Wiki User
∙ 14y ago
No, a breaker needs to be loaded less than 80 percent. As they reach their tripping point they get hot. The circuit rating, breaker and wiring is not designed for 21 amps. The next size would be a 25 to 30 amp breaker that has #10 wire feeding it.
Wiki User
∙ 14y ago
No, it is not safe to use a 20 amp breaker for a heater with a 21 amp rating. The breaker should be rated at least equal to or higher than the amp rating of the appliance to prevent overheating and potential fire hazards. It is recommended to use a 25 amp breaker for a 21 amp heater.
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What size of breaker to use on a wall unit 220 heater?
The size of the breaker needed for a 220V wall heater depends on the current rating of the heater. Generally, for a 220V heater, a 20-amp breaker is common. However, it's important to check the manufacturer's specifications and local electrical codes for the appropriate breaker size.
Can you use 12-2 and a double 20 amp breaker to run a basebord heater rated at 4.2 amps and the thermostat rated at 17 amps?
No, you cannot use a 12-2 wire and a double 20 amp breaker to run the baseboard heater and thermostat. The total load would exceed the 20 amp capacity of the breaker. You should use a dedicated circuit with the appropriate size wire and breaker for the combined load of the heater and thermostat.
What gauge wire and amp breaker do you use on a stove dryer and hot water heater?
For a stove, use a 8 or 6 gauge wire with a 40 to 50 amp breaker. For a dryer, use a 10 or 8 gauge wire with a 30 amp breaker. For a hot water heater, use a 10 or 8 gauge wire with a 30 or 40 amp breaker. Be sure to consult local electrical codes and guidelines for specific requirements.
What size breaker needs to be installed for 15000 watt 240 volt heater?
A 15000 watt 240 volt heater would require a 62.5 amp circuit breaker. To accommodate this exact load, you would typically use the next standard breaker size above 62.5 amps, which is a 70 amp breaker to ensure safety and proper operation of the heater.
Will it hurt to use a 40 amp breaker on a water heater the wire I was sold will not fit into the 30 amp on a sq. D circuit breaker?
Using a higher amp breaker than recommended can create a safety hazard. It is not recommended to use a 40 amp breaker on a water heater that requires a 30 amp breaker. You should consult with a licensed electrician to properly address the wiring issue.
What size of breaker to use on a wall unit 220 heater?
The size of the breaker needed for a 220V wall heater depends on the current rating of the heater. Generally, for a 220V heater, a 20-amp breaker is common. However, it's important to check the manufacturer's specifications and local electrical codes for the appropriate breaker size.
Can you use 12-2 and a double 20 amp breaker to run a basebord heater rated at 4.2 amps and the thermostat rated at 17 amps?
No, you cannot use a 12-2 wire and a double 20 amp breaker to run the baseboard heater and thermostat. The total load would exceed the 20 amp capacity of the breaker. You should use a dedicated circuit with the appropriate size wire and breaker for the combined load of the heater and thermostat.
240v nema6-50r outlet wired with 6 gauge wire and 50 amp breaker you need to run a heater with a nema 6-30p can you simply put a 30 amp receptical in place of the 50 amp receptical?
Not legally because the rating of the 30 amp receptacle would have a 50 amp breaker ahead of it. If you reduced the feed breaker to 30 amps and still use the #6 wire, this would be within the electrical code rules.
What best breaker rating for 1.5 hp air-con unit?
The breaker you use is determined by the size of the wire in the wall not by what is being connected to that circuit. If you have 14/2 wire then use a 15 amp breaker. If you have 12/2 wire then use a 20 amp breaker. The breaker protects the wiring not the item connected.
What best breaker rating for 1.5 hp air con unit?
The breaker you use is determined by the size of the wire in the wall not by what is being connected to that circuit. If you have 14/2 wire then use a 15 amp breaker. If you have 12/2 wire then use a 20 amp breaker. The breaker protects the wiring not the item connected.
What size breaker to use for a hand dryer its 120v 20amps?
For a 120V hand dryer with a rating of 20 amps, use a 20 amp breaker to match the device's ampacity and prevent potential overloading or overheating issues.
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.
What size ext cord for 2000w heater?
Use #12 wire and a 20 amp two-pole circuit breaker.
What amp breaker for 220volt air conditioner?
For a 220-volt air conditioner, you would typically need a double-pole circuit breaker with a rating between 15-amp to 30-amp, depending on the specific requirements of your air conditioner unit. It's important to consult the manufacturer's specifications or an electrician to determine the correct amperage for your particular setup.
Can I you use existing 8 3 wire hooked to a 30amp breaker was hooked to old electric heater to wire a heater that requires 10 2 wire its a 5000watt 240volt heater?
No, you cannot use an existing 8 3 wire hooked to a 30amp breaker for a heater that requires 10 2 wire. The wire gauge and breaker size need to match the specific requirements of the new heater to ensure safety and proper function. You will need to upgrade the wiring to accommodate the 10 2 wire needed for the 5000-watt 240-volt heater.
Can you use a 60 amp breaker with a 50 amp overcurrent device?
A 50 amp breaker is an overcurent device.
What gauge wire and amp breaker do you use on a stove dryer and hot water heater?
For a stove, use a 8 or 6 gauge wire with a 40 to 50 amp breaker. For a dryer, use a 10 or 8 gauge wire with a 30 amp breaker. For a hot water heater, use a 10 or 8 gauge wire with a 30 or 40 amp breaker. Be sure to consult local electrical codes and guidelines for specific requirements.
