To calculate the change in temperature, subtract the initial temperature from the final temperature. Example: 84.2 degree Fahrenheit - 41 degrees Fahrenheit = 43.2 degrees Fahrenheit. The temperature from morning to afternoon changed by 43.2 degrees Fahrenheit.
It needs 12 volts so it will be the standard modern power supply provides 12 volts of power.
How many amps and volts do you need? Letâs TechTalk about this for a while. The more amps you have in a home, the more electrical devices you can have in use at any given time. The typical standard for modern usage is 100 amps; less than 100 amps may not be adequate for your needs.