Calculated Industries ElectriCalc Pro User Manual - — 1

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Table of ConTenTs

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 PRo ..........................................................................3

GeTTInG sTaRTeD ............................................................................4

KEY DEFINITIONS .................................................................................4

Basic Function Keys  ..........................................................................4

Mode Set-up Keys ..............................................................................5

Electrical Keys ....................................................................................6

Motor Keys ..........................................................................................8

Wire Sizing Keys .................................................................................9

Voltage Drop Keys ............................................................................ 11

Grounding Conductor Keys ...............................................................12

Fuse/Breaker Keys ...........................................................................13

Conduit Sizing Keys ..........................................................................15

PREFERENCE SETTINGS ..................................................................18

BASIC MATH OPERATIONS ..........................................................19

PERCENT CALCULATIONS ..........................................................19

MEMORY OPERATIONS .....................................................................19

Using M+ ...........................................................................................20

Using Memory Storage Keys (M1- M9) .............................................20

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 ....................................................21

KIRCHHOFF’S LAW .............................................................................21

Finding Voltage .................................................................................21

Finding Amps ....................................................................................22

Finding Current Load ........................................................................22

Finding Amps From Kilowatts ...........................................................23

Finding Volt-Amps .............................................................................23

Finding kVA Rating  ...........................................................................24

Finding Wattage  ...............................................................................24

Finding kW Rating  ............................................................................25

OHM’S LAW .........................................................................................26

Finding Volts .....................................................................................26

Finding Amps ....................................................................................26

Finding Resistance (Ohms) ..............................................................27

MOTOR FUNCTIONS ..........................................................................27

Finding Single-Phase Full-Load Current ...........................................28

Finding Motor Wire Size and Ampacity .............................................28

Finding Synchronous Motor Horsepower ..........................................29

Finding Direct Current Motor Horsepower ........................................30

(cont’d)