23 New 4500 Watt Water Heater Breaker Size
Depends on the size of the water heater. What size breaker needs to be installed for 15000 watt 240 volt heater. Make sure your electric panel can support the extra power with enough amps in the main circuit panel new 50 amp breakers.
4500 watt water heater breaker size
New 4500 Watt Water Heater Breaker Size
If i do the math correctly then 4500watts x 2 9000 watts 9000watts240volts 375 amps therefore i would need a 50 amp 220 breaker and run 6 gage. All appears to test out ok. I am confused about the wiring and breaker.The 5400 watt heater will need 45 amps. 120volts ca the 4400 watt heater will demand 366 amps of power. So this is my question.
What is the right circuit breaker and cable for an electric water heater. I purchase a tester to check the elements and the thermostats. My heater has 12 2 wiring with a double 20a breaker.
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4500 watt water heater breaker size. Now in order to choose an electric breaker multiply the current draw of the water heater with 125 per cent in order to determine the size of the breaker you will need. A water heater of this type is required to be considered a continuous load meaning that the branch circuit needs to be calculated at 125 of the heaters rated ampacity. Since this is a purely resistive load 5500 watts at 240 volts is 23 amps breaker is sized at 30 amps and 10 awg wiring is used..
An acquaintance has an older mobile galvanized branch water lines and his water heater. 4500240 1875 amps will work on a 20 amp ocpd but. 15000 watts at 240 volts will use 625 amps. 4500 watt water heater breaker size.
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