Conductor Size

Conductor Size Calculator

Select Material		Ambient Temperature C	Number of Current Carrying Conductors in Raceway or Cable
Continuous Load (in Amperes)	size=12 VALUE="0">
Show Load Here (in Amperes)		Special Conditions
Select Conductor Insulation Temperature	Select Termination Temperature C.	OCPD and assembly is rated for Continuous Load		Circuit is Branch Circuit that supplies multiple receptacles
		Yes		Yes
		No		No
		Circuit is bundled or in raceway 24 inches or less in length		Circuit is Type AC or MC cable
		Yes		Yes
		No		No


Conductor Size	OCPD Minimum Size		OCPD Maximum Size
	Equip Grnding Cond. Size		Equip Grnding Cond. Size
Data
Conductor Derated ampacity	Terminal Ampacity	AC or MC Cable Derating Factor (if applicable)	Ambient Correction Factor		Continuous Load Multiplier
Total Load	Terminal Load (total load)		Conductor Derating Factor for more than three current carrying conductors
Ampacity	Conductor circular mil area		Total Derating Factor



Voltage Drop for above Conductor
Select Voltage and Phase, Enter Distance, Then Click Calculate Button (This calculator uses k=12.9 for copper or k=21.2 for aluminum)
Select Voltage and Phase			Enter Distance in feet from supply to load (one way)
Input from above program: (The Load can be changed by using the keyboard)
Material	conductor Size	CMA of conductor	Load	k (circular mil-ohm ft.

			OCPD Minimum Size	OCPD Maximum Size
			Equip Grounding Conductor Size	Equip Grounding Conductor Size

Voltage drop			Voltage at load end of circuit
Per Cent voltage drop