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Do you have to upgrade 60 amp service to 100 amp if you have a 30 amp HVAC unit installed?
Without knowing the sq. ft. area of your house and what appliances you have connected and if your hot water tank is electric it is hard to make an assessment. The average household draws about 50 amps so if you are adding another 30 you will be getting close to the limit of the new panel. Ask for an estimate on the 100 amp panel and then on a 200 amp panel. The labor costs should not be much higher for the larger installation of a 200 amp panel just the materials.
If you have a 100-amp breaker box on the pole with a 100-amp breaker going to your house and you get a hot tub that needs a 60-amp GFI breaker would that overload the box?
That's pushing it but it can work. It depends if you have central A/C, electric range, water heater, etc. Those are your amp suckers. You'll need to be mindful when operating the hot tub; not running the dryer, oven, or other large appliances.
How do you ground a 100 amp service panel?
In the service distribution panel there are termination points at the top of the panel. Two of the utilities "hot" conductors terminate on the main breaker. The neutral utility termination point is on a terminal block usually off to the side near the main hot terminations. It is in this neutral termination block where the system ground connects from the ground rods to the distribution panel. For a 100 amp panel the wire size will be a #6 bare copper conductor.
How do you determine if a 100 amp service will accommodate the addition of an electric tankless water heater that requires a 60 amp breaker?
You have to make sure that in your house the total load will not exceed 100 amps. For example, your tankless water heater might be used only when other high-power devices like cooker or tumble drier or space-heaters are not in use. It all depends on how you use electricity in your house.
Will your 100 watt marshall guitar amp be loud enough for a gig?
100 watts should be good for small to medium rooms. Of course, it also depends on how "hot" your guitar pickups are.
Can a 240 hot tub be hooked up safely to a 100 amp service on your home?
Yes it certainly can be wired up safely following all code requirements. The 240 volt circuit breaker needs to be a GFCI 2 pole breaker rated for the tub. Most require 50 amps, however, some are larger so check your specifications. And of course the supply wire must be the correct size for the tubs required amperage. (for example, # 6 gauge for 50 amp) The bigger question is whether your 100 amp service has enough total power to operate the tub and your other normal loads. It may not. 100 amps is a small service. The only way to pre-test is for an electrician to take an amprobe reading in your panel while you have your other normal loads on.
For a 100 amp underground service to an unattached garage what size hot and neutral copper conductors do you need?
If you're using THHN or THHW wire, then # 3 gauge would be the correct size. It is rated for 110 amps. (The next smaller gauge # 4 is only rated for 95 A ).
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If you have a 125 amp breaker box on the pole with a 125 amp breaker going to your house and you get a hot tub that needs a 60 amp GFI breaker would that overload the box?
It depends on what else you are running in the house. Add up your amperage to see if it is more than the 125amp rating. Which should be below 105 amps constant to keep from overheating the main breaker. If you are not running a big central ac system or a electric oven and water heater you should have no problem running the hot tub.
How much electrical service panel size for a house?
Amps are the amount of power you're using. If you only have one light on then you're maybe drawing 1 or 2 amps. If you have everything in the house on you may be drawing 50 or 60 or more amps.
How do I wire my amp so that it won't drain my battery?
Get a voltage tester with a point that you can pierce wires with and find a hot wire that is only hot when the key is on and wire the amp to that.
If you have a 5 individuals living in your rental house what size hot water heater do you buy?
100 galllon
