Main Breaker
Main Breaker
Can I hook the generator to my breaker panel providing that I throw the main breaker to the off position?
The lazy and irresponsible answer is yes, but the correct answer is no. It can be made to work but there is a real and serious danger to injure or kill line workers performing repairs to restore power. It can also cause serious damage to your generator. The proper technique is to install a transfer panel which will ensure proper isolation to your home circuits from the street.
The only time I’ve backfed a panel is after a hurricane when a tree tore the wires off a neighbors house. I backfed through an unused 20A circuit breaker. There was absolutely no possiblility of backfeeding to the street with the wires removed removed from the house regardless of the position of the main breaker. There was no danger of exposed AC on the end of the cord. I still padlocked the main breaker in the off position. The generator and wiring was removed prior to the power company restoring power. This would be the only situation in which I would consider your suggestion to be even marginally acceptable, and then only as an emergency measure until the power company reconnected the house wiring.
Do a Google or Yahoo! search for “Generator Backfeed” and read through the results.
Check my generator page for other generator connection and safety ideas.
Main Breaker
Taking Care of a Tripped Circuit Breaker
Your circuit breaker, which is also referred to as a fuse box, is a special container that holds all of the circuit breakers for your home. This box can be located inside or outside of your home, but is generally found in a convenient location that makes it easy for you to access. This way, you can turn off electrical power as necessary when making household repairs.
Protecting Your Home with Circuit Breakers
In some homes, you may find more than one circuit breaker panel. Generally, there is still one main panel and the others are simply sub panels that originated from the main breaker. Whether your home has one or several circuit breakers, the purpose of these boxes is to keep the electrical circuits protected. This, in turn, keeps your home protected because the breaker stops the current flow if a fault or overload develops.
If a fault or overload occurs, the breaker “trips” and stops the current from flowing. When this occurs, it is often referred to as a blown fuse. In order to restore the flow of electricity, the circuit breaker will need to be reset.
Resetting a Circuit Breaker
Before resetting a circuit breaker, it is important to first be sure it is safe. In order to do this, you will need to unplug or turn of any devices that are being powered by that circuit. Then, locate the circuit breaker that was tripped.
It should be easy to find the tripped circuit breaker because the switch will be in the “OFF” position. Many actually have the word “OFF” on them, which is visible when the breaker is tripped. If not, simply look for the breaker with the switch in the middle rather than all the way to one side.
Once you have located the proper circuit breaker, move the switch all the way to the off potion and then move it back to the on position. At this point, electricity will be restored to the circuit. If the breaker trips before you have the chance to plug anything back in or turn anything back on, you know the problem is either in the actual breaker or you have a serious wiring problem. In this case, you might want to call a professional to help you with the repair unless you have taken electrical courses and know how to fix this type of problem.
If the circuit breaker trips after you turn something back on or plug something in, there is probably a sort in the device or the device may be putting too much of a load on your circuit. In this case, you may need to replace the device or put the device on a different circuit that is capable of handling the load the device requires.
About the Author
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can u replace the main breaker in your circuit breaker box to a higher breaker?
i have a 100 amp circuit breaker i wanna upgrade to 200 amps can i just replace the 100 amp main breaker with a 200 amp main breaker
You should never replace a breaker with a larger one. Your main breaker size is usually determined by the size of the wire coming into your house putting a higher draw on smaller wire causes fires. The same goes for other breakers the wire used in the breaker determines load capacity. A 15 amp breaker runs 14/2 wire. A 20 Amp runs 12/2 if you run 20 amps through a 14/2 wire heat up could cause a fire. I would consult an electrician before changing anything.
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