1 for every 13 outlets, lights etc plus one for each major appliance ( heavy duty ) The minimum *required* number of circuit breakers will be dictated by your local building codes, so there is no one answer that will fit all. If you are planning on building or remodeling a house and are just interested in a back of the envelope estimate, keep in mind that up to a point, more circuits, and thus circuit breakers, are better than fewer. At a minimum, I would use a dedicated circuit for each of: - the furnace - the air conditioner - the refrigerator - the stand alone freezer - the basement lights (or the lights for where ever the breaker box is located) - the sump pump (if you have one) - the water pump (if you have one) - the garage door opener By using a dedicated circuit for each, you minimize the chance of a malfunctioning device or frayed extension cord causing the shut down a critical house hold system. From there it's a matter of how many rooms and outlets. For a family room with an entertainment center, computer equipment, etc., two circuits for the outlets and one for any overhead lights would not be unreasonable. On the other hand you might have two bedrooms share the same circuit for wall outlets and another shared circuit for the ceiling lights. If each room has its own air conditioner, the ideal situation is to locate an outlet by the window which is a circuit dedicated just for that air conditioner. As an aside, ground fault detectors are a must for the kitchen and bathroom, but use self contained ground fault outlets rather than a ground fault circuit breaker for these areas. Ground fault circuit breakers are best for outdoor circuits, like outdoor lighting, Swimming Pools, etc. While the building codes may dictate a minimum number of circuits needed, based on the size of the house, there is nothing to stop you from having more. What you will need to do however, is make sure you do not exceed the capacity of your electrical service. For that the services of a licensed electrician are highly recommended.
You need to be more specific. Do you want a contact telling you if a circuit breaker is on? If that is your question, the answer depends on the model of the breaker.
A circuit breaker must be reset to ON after a short circuit but does not need to be replaced. It depends on the type of CB. A fuse is also a circuit breaker and it needs to be replaced after a short circuit. Relayed circuit breakers have to be "picked up" after a dropout and need not be replaced as such.
If the circuit breaker is in the off position there is no need of overload protection. Overload protection monitors the load amperage, If there is no amperage through the circuit there is nothing to monitor.
handling the circuit breaker
A circuit breaker has a small handle that will flip to the open position due to overload.
You need to be more specific. Do you want a contact telling you if a circuit breaker is on? If that is your question, the answer depends on the model of the breaker.
A circuit breaker must be reset to ON after a short circuit but does not need to be replaced. It depends on the type of CB. A fuse is also a circuit breaker and it needs to be replaced after a short circuit. Relayed circuit breakers have to be "picked up" after a dropout and need not be replaced as such.
Usually a 15 or 20 amp breaker is sufficient
For your electrical system, you will need a circuit breaker that matches the voltage and amperage requirements of your appliances and wiring. It is recommended to consult with a qualified electrician to determine the specific type of circuit breaker needed for your system.
No. The breaker must protect the circuit components such as wiring, outlets and switches that are connected to the breaker. Therefore if you have a 30 amp circuit as dictated by its components you need to protect it with a 30 amp or less breaker.
A circuit breaker is designed to 'break' in a circuit if a short circuit (or other malfunction) occurs. This prevents overheating (or burn-out) of the circuit wires. In older systems, you would need to find which fuse wire has fused and replace it. In a circuit breaker, once the fault has been found and corrected, the breaker is simply switched back on.
The circuit breaker for the headlights is intergrated with the headlight switch.
The circuit breaker is sized to the full load amps of the motor times 250%.
For a circuit with a load of 10 amps, a breaker of 15 amps should be used for adequate protection. It is important to choose a breaker size that is slightly higher than the load to prevent frequent tripping and ensure safety.
If the circuit breaker is in the off position there is no need of overload protection. Overload protection monitors the load amperage, If there is no amperage through the circuit there is nothing to monitor.
The most common form of a series circuit in a house is a circuit breaker (optionally in series with an on-off switch) in series with a load, usually a light bulb.
The circuit breaker in your house is typically located in the electrical panel, which is usually found in the basement, garage, or utility room. It is a metal box with switches that control the flow of electricity to different areas of your home.