Marine Electrical Wire Size Calculator

Please check with your electrical inspector or a licensed electrician for the proper wire size.

Marine electrical wire size calculator. The volatge drop calculator will allow you to find the percentage of voltage drop as well as the current delivered at the end of the wire run. Note that most so called marine grade wire is rated at 105 c. This website provides a wire size calculator voltage drop calculator wire ampacity charts and more. For ac use only the first calculator is needed as the voltage drop in ac circuits as a function of wire lengths found in a boat is negligible.

The wire size calculator will give you a very simple and quick solution to the problem of calculating the size of wires and cables for pump applications in golf courses landscape projects and agriculture. This calculator is not a substitute for the expertise of a marine electrical professional. This wire size calculator will calculate the appropriate wire gauge for a circuit based on amps voltage distance and load. Nfpa 70 national electrical code table 310 15 b 16 17.

Now you can take the advantage of this calculator to do this job j you can also check the classical wire cable size calculator in awg calculating wire cable size formula for single phase circuits. This should be used as a reference only. Our calculator yields results that are within code in most locations however we advise you to check your local electrical code. Today we are here with another comprehensive copper and aluminum wire size calculator as we have discussed in detail the topic of how to calculate the proper wire size for electrical wiring.

In addition the dc wire selection chart shown below assumes a wire insulation rating of 105 c. Quality marine wire as specified by abyc standards will always be stranded rather than solid and always tin plated copper. The requirements of the national electrical code nec and local codes must always be followed. This technical brief distills the information on these charts to a more manageable size for installers and boatowners alike.

In the boating world it is suggested 3 max voltage drop for conductors providing power to panels and switchboards navigation lighting bilge blowers main dc feeders and any other circuit where. When selecting a wire for dc use both calculators must be applied. Electrical wire size calculator. There are many factors to consider before choosing the proper gauge.

A sample of 120 volts single phase copper wire 144 feet one half of a 288 foot circuit with 10 amps load on it yields a number 10 awg wire size. Finally note that the amp capacity ampacity of the wire curtails using very short lengths of wire for large current flows as shown by the flat tops of the 10 chart areas.