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A 12V outlet is a power socket found in vehicles that provides 12 volts of direct current (DC) power. It is commonly used to plug in and charge electronic devices or power accessories such as car chargers, air compressors, and portable refrigerators.
The power available from a 110 VAC outlet can be calculated using the formula P = V x I, where P is power in watts, V is voltage in volts (110V in this case) and I is current in amps. The maximum power output can be estimated as 1100 watts for a standard 110 VAC outlet.
The current is 0.83 amps on 120 v or 0.42 amps on 240 v.
To find the current drawn, use the formula: Current (I) = Power (P) / Voltage (V). Plugging in the values, I = 795 W / 120 V = 6.625 A. Therefore, the appliance draws approximately 6.625 A of current when plugged into a 120 V outlet.
A wire rated to 12 v can be used for carrying a 12 v current if it has the same amperage. It is the amperage or the volume of electricity which determines the size of the wire rather than its voltage.
Set your voltmeter to the AC voltage mode, typically denoted by a "V~" symbol. Make sure the voltage range is set to a level higher than the expected voltage from the outlet, such as 200V or 250V. Insert the black probe into the common (COM) jack and the red probe into the voltage (V) jack. Then, touch the probes to the outlet's live and neutral terminals to measure the voltage.