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Calculator   The minimum cross-sectional area determined by calculation shall be not less than the value determined by the following equation (applicable only for disconnection times not less than 0.1 s but not exceeding 5 s).


Earth Cable Sizing Table

Who Are We?

Electrical Projects Australia (EPA) is one of the most recognised electrical design companies in Australia.

Operating from our Sydney and Newcastle offices, our Electrical Engineers and Hazardous Area Classifiers have been serving the international market for almost 30 years.

Specialising in the provision of Electrical Engineering, PLC and SCADA ProgrammingArc Flash Analysis and Hazardous Area Classification services to theCommercial BuildingPublic Building, Public Infrastructure, Alternate Power Generation, Mining, Cotton, Grain Handling, and general industrial markets.