Q:

What causes a circuit breaker to get hot?

A:

Quick Answer

Circuit breakers get hot when the current exceeds the rating of the breaker. The electricity that flows through the circuit produces heat in the unit. When that heat reaches a certain point, the breaker trips and breaks the circuit. Warmth indicates that the circuit is at or near capacity.

Continue Reading
What causes a circuit breaker to get hot?
Credit: msittig CC-BY-2.0

Full Answer

Circuit breakers are designed to be the weakest point in the electrical circuit to prevent potentially dangerous overheating or faults within the walls, which could start fires. If a circuit breaker becomes warm to the touch, relocate some of the devices on that circuit to reduce the load on the current.

Learn more about Electrical

Related Questions

  • Q:

    Why does my circuit breaker keep tripping?

    A:

    A circuit breaker trips when the current traveling through the circuit exceeds the rating of the breaker, causing it to become warm and spring open. This occurs when too many electrical devices are plugged into a single circuit. Moving some of the devices to other circuits should relieve the problem.

    Full Answer >
    Filed Under:
  • Q:

    What images would a circuit breaker panel wiring diagram include?

    A:

    Circuit breaker panel wiring diagram images typically include the breakers, wires that carry electricity out from each breaker, neutral and breaker bus bars or conductors, the ground wire and the main lugs, and cables. A red or black hot wire connects each circuit to a breaker and the breaker bus distributes power from the main breaker to each of the separate circuit breakers that snap onto the breaker bus. The ground and neutral wires connect at the neutral bus.

    Full Answer >
    Filed Under:
  • Q:

    What is the history of Federal Pacific Electric Company?

    A:

    The Federal Pacific Electric Company designed, patented and sold circuit breakers, beginning with its first patent in 1949 and ending with its eventual bankruptcy. Its products were later found to be defective and dangerous.

    Full Answer >
    Filed Under:
  • Q:

    What kinds of circuit breakers does Siemens make?

    A:

    Siemens makes a wide range of circuit breakers that include residential, molded case, power and miniature circuit breakers. The company designs and manufactures circuit breakers with global ratings and ampacities of up to 5000A.

    Full Answer >
    Filed Under:

Explore