Electric resistance in
wire at 20 oC.
Square Area (mm2)
Electrical units, amps and electrical wiring, wire gauge and AWG, electrical formulas and motors.
Maximum wire lengths vs. currents in the 12 volt electrical system of a car.
Maximum length of copper wire with 2% voltage drop.
Maximum current (amps) in a 12V electrical circuit vs. size (AWG) and length of wire.
Electrical resistance in plain copper or aluminum wires.
Characteristics of all-aluminum conductors (AAC).
American Wire Gauge (AWG) vs. cross sectional area converter.
AWG vs. diameter mil, circular mil, diameter in mm and area in mm2.
Gauge, weight, circular mils and electrical resistance in copper wire.
Online shareable electric circuit diagram.
480V electrical motor wiring data - NEMA amps, starter size, HMCP size for motors ranging 1/2 to 500 hp.
Calculate single and bunched electric wire cross-section area and diameter.
Maximum length of 240 V single phase electric wire with max. 2% voltage drop.
Electric conductance is the ability of a element to conduct an electric current.
Electric resistance vs. temperature rise for Nickel-Chromium electrical heater wire.
The reciprocal of electrical resistance is conductance.
Electrical resistance and resistivity.
Resistivity, conductivity and temperature coefficients for common materials like silver, gold, platinum, iron and more..
Imperial Standard Wire Gauge used with wire and sheet metal.