Why does my electric heater keep tripping the breaker?

Common Reasons Why a Heater Might Trip the Breaker





The most likely reason is that the heater is drawing too much current and overheating that circuit. This can be dangerous, so the breaker shuts off to protect you. A second reason is that you might have too many other appliances on the circuit.

Will a 1500 watt heater trip a breaker?

A 1500 watt space heater (on high setting) will draw 12.5 Amps. When a few lights or a television are on the same circuit, the 15 Amp limit is quickly reached and the breaker will trip.

What size breaker do I need for a 7500 watt 240 volt heater?

40 amp breaker

This unit needs a 40 amp breaker.

Can heaters trip breakers?





An overloaded furnace is working harder than it should, causing it to pull more electrical current than it normally does. If your furnace turns on, works for a little while but then quickly trips the breaker, this is likely the problem.

How do you fix a breaker that keeps tripping?

You can get your power back by following these three easy steps:

  1. Turn off all the lights and appliances affected by the power outage. Switch everything you can to the OFF position. …
  2. Find your circuit box and search for the breaker(s) in the OFF position. …
  3. Flip the breaker from OFF to ON.

How do you stop a breaker from tripping?

Instead, follow these tips to keep from overloading your circuits:

  1. Unplug electrical appliances that are not in use. …
  2. Spread out heated styling tools. …
  3. Only use extension cords for added length. …
  4. Use LED Christmas lights. …
  5. Use multiple outdoor circuits. …
  6. Know your amp usage.


Will 1800 watts trip a breaker?

Since this uses 1800 Watts, 120 Volts would yield 1800 / 120 = 15 Amps, which is the typical circuit breaker rating for most outlets (excluding ranges, refrigerators, and so on). Typically you can use more than 15 amps on a branch circuit for a period of time, depending on how much over the rated limit you are.

Can a 1500 watt heater run on a 15 amp circuit?

A bedroom usually has a 15 Amp circuit breaker. A 1500 watt space heaters will draw 12.5 Amps. The 15 Amp limit is reached when a few lights or a television are on the same circuit.

How many heaters can you run on a 20 amp circuit?



So a 240-volt circuit running on a 20-amp, double-pole breaker, can have any combination of heaters up to 3,840 watts. For example, using just one thermostat, you can install: Two 1,500 watt heaters, or. Three 1,000 watt heaters, or.

How do you know when a breaker goes bad?

Circuit Breaker Warning Signs

  1. Burning Smell in the Electrical Panel. One way to tell if you need a circuit breaker replacement is to sniff around and see if you smell a burning odor coming from the panel. …
  2. Breaker Will Not Remain Reset. …
  3. Physical Damage. …
  4. Breakers Tripping Frequently. …
  5. Old Age.

What would cause the main breaker to trip?

Lightning strikes, power surges from the utility company, or an overload to the electrical panel can all cause the main breaker to trip. If an individual circuit breaker fails and loses its ability to trip as designed, it may actually be the main breaker that trips to provide the secondary safety shutoff.

What are three warning signs of an overloaded electrical circuit?



Signs of Overloaded Circuits

  • Dimming lights, especially if lights dim when you turn on appliances or more lights.
  • Buzzing outlets or switches.
  • Outlet or switch covers that are warm to the touch.
  • Burning odors from outlets or switches.
  • Scorched plugs or outlets.

Can a tripped breaker cause a fire?

When a circuit breaker trips, too much electricity is trying to move through the circuit at once, causing the circuit breaker to literally break the circuit. Too much electricity passing through a circuit can overheat the electrical wiring in your home or electrical devices, which can cause a fire or electrocution.

Is it safe to reset a tripped breaker?

It is safe for someone to reset a home’s circuit breaker if all that needs to be done is a simple reset. Every now and again, a circuit breaker will trip or automatically turn off when it is overloaded. In these cases, all that usually needs to be done is resetting the breaker in order to restore power.

Will a breaker trip before fire?

At some point the breaker will give out and stop tripping. If the breaker does not trip, an electrical overload will overheat the wiring insulation and cause an electrical fire. DO call an electrician to find the root of the problem.

How do electrical fires start in walls?



Fires start in electrical panels from overloaded circuits or age of the panel. The panel and circuits become overloaded when the distribution of electricity is inadequate. Occasionally, lighting equipment acts as a source of heat that is too close to easily combustible materials.

Where do most electrical fires start?

The 7 Most Common Causes of Electrical Fires In The Home

  1. Faulty electrical outlets and aging appliances. …
  2. Using ungrounded plugs. …
  3. Overloading light fixtures. …
  4. Placing flammable material near light fixtures. …
  5. Extension cord misuse. …
  6. Space heaters. …
  7. Old wiring.

What is the most common cause of electrical fires?

Most electrical fires are caused by faulty electrical outlets and old, outdated appliances. Other fires are started by faults in appliance cords, receptacles and switches.