Have an electrician wire you a proper line for the appliance. You were just kidding about the 100A, right? 10, or 20amp, not 100.
The "power" or amperage can only be increased by changing the service entrance. This includes the service cable outside, the meter socket, the cable coming into the house, and the circuit breaker panel. By example you could go from a 100 amp service to a 200 amp service. But you need to understand the reason why you think you need to upgrade. If your main breaker is tripping you may be pulling too many amps for the entire household. This can be determined by using an amprobe. But more likely you would have an individual circuit breaker tripping. Increasing your service amperage would not help this situation. This is an overload on a single circuit. You would need to lighten the load on that circuit itself.
The 80% ideal is from the NEC. Let's say you have a standard 15A circuit. This circuit is rated to carry a maximum of 15A, no more. If you try to draw more than 15A, the breaker will pop. Now, you can put 15A worth of appliances on this circuit, but then you are running it at its maximum all the time. If you add anything else to this circuit, you will pop the breaker. If you have something that draws surge current, it can opo the breaker under normal use. You have no "wiggle room" when you load it at its maximum. Also, as touched on above, if you run your circuit at the maximum you cannot add anything else. This is generally a sign that you need to upgrade your wiring. Furthermore, the breaker can handle 15A indefinitly under standard test conditions, which are close to ideal. Your breaker box may not be ideal. Breakers are thermal devices, so self heating and heating from other breakers can be a problem. If your breaker is hot, it will pop sooner than if it is cold. The more current that flows through it, the hotter it will get. If you are overloading circuits the easiest thing to do is to break the circuit up into multiple circuits. The exact implementation will depend on the situation.
No the service wires need to be upgrade to 3/0 copper or 250 mcm aluminum. This will require a power company to disconnect so you can upgrade the service. These wires are always hot unless the power company disconnects from their source. Do it right pull a permit and upgradeAdditional information:Some meter base boxes include a shutoff/breaker. If you are only looking for additional space inside the breaker panel, and do not upgrade to a higher amperage breaker inside the meter base, you actually CAN use the same wire, provided that it is long enough to reach into the new breaker panel. The breaker of the meter base protects from the over-current condition.If you have the shutoff in the meter base, you will obviously be able to disconnect service while you perform the necessary changes. While you are working on the service, lock-out the meter base access to prevent anyone from turning the power back on.It is still recommended that you pull a permit and work with a qualified electrician.
=== === == == The process of replacing the equipment that comprises your service is simple and straightforward.1. Get a permit.2. A trained person cuts the service conductors so that they don't interfere with the utility company lines [so they can splice back in]!3. Remove the circuit conductors from the old panel.4. Demolish the old service.5. Install the new service.6. Reconnect the circuit conductors.7. Tie the new service cable back into the utility lines.8. Call for inspection.As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.Before you do any work yourself,on electrical circuits, equipment or appliances,always use a test meter to ensure the circuit is, in fact, de-energized.IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOBSAFELY AND COMPETENTLYREFER THIS WORK TO QUALIFIED PROFESSIONALS.
No!You cannot simply replace a breaker with a larger one. You would have to tear out ALL of the wiring and replace it with larger. If you just install a larger breaker, you will most likely start a fire, as the existing wiring cannot handle the increased current. You must find the reason the existing breaker is tripping and fix it. If the circuit is overloaded, you will have to either move some of the load to a different circuit, or have the WHOLE circuit upgraded, including wiring and breaker.You will need a licensed electrician to do any repairs or upgrades. You are not qualified to do this work.IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOBSAFELY AND COMPETENTLYREFER THIS WORK TO QUALIFIED PROFESSIONALS.If you do this work yourself, always turn off the powerat the breaker box/fuse panel BEFORE you attempt to do any work AND always use a meter or voltage indicatorto insure the circuit is, in fact, de-energized.
There comes a time when you simply have to upgrade your electrical service. A 60hz service was never designed to handle all the power requirements of a modern home. When the 60hz service came in, it was designed to handle a few lights and a few receptacles. I'd be surprised if you had more than 4 circuits on your board and I'm betting that you are blowing fuses or tripping circuit breakers constantly. Bite the bullet, upgrade your service.
Get an electrician to wire you up a 220v line. Yes, with a caveat. The current ratings must be the same, and the the 110V outlet must be a dedicated circuit, i.e. nothing else on that breaker. You can safely upgrade a dedicated 110V 15A circuit to a 220V 15A circuit by re-using the same wiring. You will have to just replace the breaker and the outlet. You cannot, however, increase the current load or have a 110/220V (4-prong) outlet. Note that if you move a non-dedicated circuit up to 220 you will start a fire.
The meter is typically installed in the main circuit panel of the house. If you want to move it, you can do it as part of a service / panel upgrade. We did this when we moved into our new house - we replaced the 1950s vintage main circuit panel and 100A service with a newer 200A panel and service. It was about a grand, but we didn't actually move the panel from where it was, so it may cost more for what you want.
If your main breaker is tripping you may have big issues! Don't use your dryer until you've contacted an electrician. Your panel may be overloaded when the dryer is on. The electrical panel in your home could becoming too small for all of your appliances. On a 100 amp service, if many of your high current drawing appliances are on at once this condition could happen. With the dryer and hot water tank on you will be drawing about 40 amps. Putting the stove with an oven on at the same time will boost your consumption up to about 80 amps. With a couple of smaller 1200 watt appliances on you are just about at your limit. Call an electrician and get him to do a load test on your panel, this will tell you what the problem is right away. Don't be surprised if the recommendation is to upgrade to a 150 or 200 amp panel. In most homes today the recommended panel board is 200 amp 42 circuit .
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