If you live in an older home, you might find that your electrical work can’t deliver all the power you need for your modern equipment and devices. Use the equation listed above to deduce exactly how many amps your home needs. Ok, did my 1st home inspection Friday. The increase in amps over the years has kept pace with the number of new electrical appliances. I don't know how old your house is but unless it is really old, I can't see them using wire sizes other than what would fit 100 - 125 amp and 200 - 225 amp on normal housing. Newer homes have at least 100 amp service, and many are rated at 200 amps or even 300, which provides all the electricity that a plugged-in family could want.
Newer homes may have 150- or 200-amp service. If your house was made in the 50's or earlier might be a different story. Oh my.

A 100-amp service is good for a home of less than 3,000 square feet that does not have central air-conditioning or electric heat.

These days most new construction in the US will have 200 Amp service, especially in areas that might have a lot of air conditioning or perhaps even electric heat. I'm pretty sure I'm looking at 200 amp service. If a home is already near their 100-amp breaker capacity, the addition of a high-power device may cause their main breakers to "trip," cutting off all power in the home.

Many conduits are oversized, so it's possible to have a 60 amp service entering your house in a 2-inch conduit. But there are still older homes with only 60 amp service. I read that you should look at the amps on the main breaker to the house to determine this.

At nearly every home inspection, I find one of two things: either the electric service is outdated and obviously too small, such as the 30 amp service pictured at right, or the service …

Most homes have an electrical service of between 100 to 200 amps. so you might not be using but a 100 amp panel box on the inside or less.What i do in a case like yours is run a wire to your side of the meter box and piggyback into the main cable.

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I agree with Harry. Viewed 1k times 1. Upgrading to a 200 amp panel will make more electrical power available to appliances that need it, boosting their efficiency and effectiveness. For example, a box that is rated for 100 amp service may well be used in a house that only has 60 amp service. Very large houses can have 400-amp service. Homebuyers usually think a 60 amp service means that the house is: unsafe, of low quality, obsolete or not well maintained, but in fact it only means that the system has been working satisfactorily for the current owners.

Of course, depending on lifestyle, the new family may require a 100 amp service. I have seen many 150 amp services, and many 100 amp. They pass me the mls listing which says 100 amp service (which I'm pretty sure they're simply parroting).

The installation of a higher capacity 200-amp breaker box allows homeowners the flexibility to install higher powered devices and maintain electrical service throughout their home. Service panel has 2-100 amp breakers bridged. 200 amp service panels are also physically larger than their older, 100 amp …

A home larger than 2,000 square feet that has central air-conditioning or electric heat probably needs a 200-amp service.

help determining amp service to my house. The main electrical service delivered to your house from the electrical utility company has a total available capacity, measured in amps, or amperes. Your TV, refrigerator, and the like need electricity to function, too.

Sometimes people who want to upgrade an existing home do not want the expense of changing the service entrance cable, so they just replace the main panel box with whatever the main service cable is rated. I'm considering installing an electric tankless water heater in my house, but need to know what amp service I currently have. I would suggest checking with the power company.