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Yes, the wire size has to be increased. The existing 100 amp service will now probably have a #3 conductor with an insulation factor of 75 or 90 degrees C which is rated for 100 and 105 amps respectively. Increasing to a 150 amp service will use a #1/0 wire size. If you are thinking of an upgrade, skip the 150 amp service and go to a 200 amp panel. New homes are installing 200 amp 42 circuit panels. The extra cost is only reflected in the materials as the labour costs will be the same regardless whether a 150 amp or a 200 amp panel is installed. The wire size for a 200 amp panel is #3/0. With an insulation factor of 75 or 90 degrees C the rating is 200 or 210 amps respectively.
Current carrying capacity is different.
Depends on the size of the service. 100 amp service will require 3 gauge, 150 amp service will require 1/0 gauge, and 200 amp service will require 3/0 gauge.
what is the diference between 12V 15A DC coil & 12V 10 amps DC coil
No difference in terms of number of wires used
Yes, the wire size has to be increased. The existing 100 amp service will now probably have a #3 conductor with an insulation factor of 75 or 90 degrees C which is rated for 100 and 105 amps respectively. Increasing to a 150 amp service will use a #1/0 wire size. If you are thinking of an upgrade, skip the 150 amp service and go to a 200 amp panel. New homes are installing 200 amp 42 circuit panels. The extra cost is only reflected in the materials as the labour costs will be the same regardless whether a 150 amp or a 200 amp panel is installed. The wire size for a 200 amp panel is #3/0. With an insulation factor of 75 or 90 degrees C the rating is 200 or 210 amps respectively.
An amp is the actual amp while an amp chord connects the instrument to the amp.
1 amp
Most modern homes in the United States operate on 100 to 150 amp systems. Some larger homes have 200 amp or larger systems.
10 amps
If this is a new box there should be a rating label on the box. If it is an old installed box and you can see ratings, look at rating of mail cutoff breaker.
Not much. Keyboard amp will have a better frequency range.
The 40 amp motor probably produces double the horsepower of the 22 amp motor.
Current carrying capacity is different.
200 amp maximum combined.
what is the diference between 12V 15A DC coil & 12V 10 amps DC coil
Depends on the size of the service. 100 amp service will require 3 gauge, 150 amp service will require 1/0 gauge, and 200 amp service will require 3/0 gauge.