All electrical calculators are built to the Canadian Electrical Code (CEC). Use these tools to size wire, breakers, and service panels for residential and commercial projects in Canada.
Wire Size Calculator
CEC Table 2What size wire do I need? Enter amps, voltage, and run length — get the correct AWG based on CEC Table 2.
Open calculatorCircuit Breaker Sizing Calculator
CEC Rule 14-104What size breaker do I need? Select your appliance or enter wattage to get the correct breaker size per CEC Rule 14-104.
Open calculatorElectrical Load Calculator
CEC Rule 8-200How many amps does my house need? Calculate total residential load and required service size per CEC Rule 8-200.
Open calculatorVoltage Drop Calculator
CEC Rule 8-102Am I losing voltage over distance? Calculate voltage drop and check against the CEC 3% branch circuit limit.
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