SJE Electrical Installations    
Sheffield, South Yorkshire    
Tel. 07960 419255    

 

Sheffield Electricians

SJE Electrical Installations
*Calculator for General Guidance Only

Ohms Law
V = I x R I = V / R R = V / I

V = Volts, I = Current in Amperes and R = Resistance in Ohms
 

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Cable size and volt drop calculator

Cable:    

Load      

Voltage          Length of Cable M

 Suggested Min. Cable Size mm    

Volt Drop volts.    Drop %    Load = amps.

 

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