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You may use it but it's not safe to do so. The reason is,if a fault occurs in the dryer such that the current being drawn by the dryer increase but it's still lower than 40Amps,the current will heat the insulators of the electrical cord which will gradually destroy the insulator and in extreme case,it might burn the insulator causing fire.
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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.
Can you use a 40 amp range cord on a dryer using a 30 amp breaker?
Yes you can if the dryer uses 30 amps or less. A cord can always be bigger than needed, it can take 30 amps just as easily as its upper limit of 40 amps. If you were starting out you would buy a 30 amp cord because a 40 amp one would cost more.
Can an electric range be powered from the same circuit as an electric dyer?
No. The two appliances usually have dedicated circuits. The range will have a two pole 40 amp breaker and be fed with a 3-C #8 copper cable. The dryer will have a 30 amp two pole breaker and be fed with a 3-C # 10 copper cable. As you can see by powering a 40 amp device from a 30 amp breaker, full operation of the range will trip the 30 amp breaker.
Can a 40 amp breaker not a 4 amp breaker be used to replace a 35 amp breaker for ac unit?
No, it is not recommended to replace a 35 amp breaker with a 40 amp breaker for an AC unit. Breakers are designed to protect the circuit and the equipment, so using a higher rated breaker can lead to overheating and potential damage. It is best to use the correct amperage rated breaker for the equipment.
Can you hook up a two pole 20 amp breaker to a 30 amp outlet for a dryer?
No, that is not safe or appropriate. The breaker and outlet must be the same amperage to protect the electrical circuit and appliance. Using a 20 amp breaker with a 30 amp outlet could cause damage to the appliance, create a fire hazard, and violate electrical codes.
