Where is The Fuse On an Electric Water Heater?

Shelby Kearns
By Shelby Kearns  • Reviewed by Ben  • Updated:   February 27, 2024
Affiliate disclosure: When you buy a product via our links, we sometimes earn a referral fee. Learn more

Electric water heaters typically have one or two heating elements and thermostats, and they are usually powered by a dedicated circuit with a fuse or circuit breaker.

The location of the fuse or circuit breaker depends on your specific installation, but here are the general steps to locate it:

  1. Circuit Breaker Panel: Start by checking your home’s circuit breaker panel. Electric water heaters are usually wired to a dedicated circuit, which should be labeled. Look for a label indicating “Water Heater,” “Water Heater Circuit,” or something similar.
  2. Fuse Box: If your home has an older electrical system with fuses instead of circuit breakers, check the fuse box. Again, look for a fuse labeled for the water heater.
  3. Dedicated Circuit: Electric water heaters typically have their own dedicated circuit to handle the high power requirements. The circuit may have a double-pole breaker or two separate single-pole breakers, depending on the wiring configuration.
  4. Labeling: If the circuit breaker panel is properly labeled, finding the water heater circuit should be straightforward. However, if it’s not labeled, you may need to test or visually inspect each breaker to identify the one associated with the water heater.
  5. Disconnect Power: Before attempting any maintenance or checks, it’s crucial to turn off the power to the water heater. Switch it to the “off” position if it’s a circuit breaker. If it’s a fuse, remove the fuse.
  6. Additional Safety Measures: For additional safety, you may want to use a voltage tester to ensure that the power is indeed off before performing any work on the water heater.

The specifics can vary depending on your water heater model and local electrical codes. If you’re unsure or uncomfortable with the process, it’s recommended to consult with a professional electrician or the manufacturer’s documentation for your specific water heater model. Electrical work should always be approached with caution to ensure safety.

Originally this answer was posted by us on Quora.

Hey there! I am Benas, the founder and content editor at Home Caprice. Thanks for reading the article. I hope you were able to find what you were looking for. I and my team are here to simplify heating and cooling for everyone. Please have a look at the About page for more details about our website and feel free to check out our editorial process.