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w = 1 hp output work ded by volt-amps) $ COST $ -- Watts x Hours Used x Rate per Hour

(2) Electrical Formulas and Calculations -E-Book - (2005) National Electrical Code

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Electrical Formulas and Calculations

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Page 1: (2) Electrical Formulas and Calculations -E-Book - (2005) National Electrical Code

w = 1 hp output work

ded by volt-amps)

$ COST $ -- Watts x Hours Used x Rate per Hour

Page 2: (2) Electrical Formulas and Calculations -E-Book - (2005) National Electrical Code

To solve anunknown you will need to know two knowns. Put your finger on the one you want to solve and the

other two knowns will show you how to solve it.

TO FIND AMPS

TO FIND VOLTS

RESISTANCE

AMPERAGE

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