To answer this question the voltage and load amperage is needed.
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The wire size needed for a 180' run depends on the voltage, current, and type of installation. It is recommended to consult the National Electrical Code (NEC) and a professional electrician to determine the appropriate wire size to ensure safety and compliance with regulations.
It depends on the length of the run
For a 75 amp circuit with a 100 ft run, you would need a #4 AWG copper wire to ensure minimal voltage drop and to meet electrical code requirements. Using the correct wire size helps maintain the efficiency and safety of the circuit.
The size of wire needed for a 220v circuit depends on the amperage of the circuit. For a typical 220v circuit at residential settings, a 10-gauge wire size is commonly used for 30 amps, while larger circuits may require 8 or 6-gauge wire for higher amperage ratings. It is important to consult with a licensed electrician to ensure the correct wire size is used for your specific application.
You would need to use a wire size that is rated for at least 40 amps to be safe and to meet the requirements of the air conditioner. A common wire size for this application would be 8 AWG copper wire, which is rated for 40 amps.
The size of wire needed for a trolling motor depends on the motor's maximum amperage draw and the length of the wire run. A general guideline for a 12V trolling motor is 6-gauge wire for runs up to 10 feet, 4-gauge wire for runs up to 20 feet, and 2-gauge wire for runs over 20 feet to minimize voltage drop and ensure proper performance. Be sure to consult the manufacturer's recommendations for your specific trolling motor.