I think you first need to figure out what size waterheater you need, then see what your amp rating is for that waterheater. Typicall Waterheater is usually rated for 30amps 240volts
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For a 25 amp breaker, you can typically install a hot water tank of up to 5.5 kW (kilowatts). This should provide enough heating capacity for a standard household with average hot water usage. It's always recommended to consult with a licensed electrician or plumber to ensure proper sizing and installation.
For a 2500 watt water heater operating at 120 volts, you would need a 20 amp breaker. This ensures the breaker can handle the load without tripping.
The formula you are looking for is I = W/E.
To determine the size of the breaker needed for a 78 amp range, you typically need to use a breaker that is the next size up from the amp rating. This means that you would need an 80 amp breaker to safely accommodate the 78 amp range. However, always consult with a qualified electrician to ensure the correct breaker size for your specific electrical setup.
For a 41 amp load, you would typically use a 50 amp circuit breaker. The general rule is to select a breaker size that is 125% of the continuous load amps or equal to the load amps if it is not a continuous load. In this case, 41 amps is considered a continuous load, so you would round up to the nearest available breaker size, which is 50 amps.
No, it is not safe to put a 20 amp water pump and a 30 amp water heater on a 50 amp breaker. The total amperage exceeds the capacity of the breaker, which can lead to overheating, tripping, or even a fire hazard. It is recommended to have separate dedicated circuits for each appliance to ensure safety and proper functionality.