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Electrical Wire and Cable

What is the formula for the computations of main wire?

By Dave Rongey - Summary:

The electrical loads have much to do with the design of the main wire and main switch…..

Electrical Question from Jeremias about wire and main switch sizing
Background: Jeremias,  from Cebu,Philippines

Question: What is the formula for the computations of main wire and main switch?

Additional Comments: I guess it could brings me satisfaction

Dave’s Reply:
Maligayang Pagdating my Filipino Friend, Salamat Po – Thanks for your electrical question Jeremias. How is everything in Makati City these days?  Jeremias – what is the application? The electrical loads have much to do with the design of the main wire and main switch.

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