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Calculated Industries 5025 User Manual

Page 38

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36 — ElectriCalc LT

Finding Voltage Drop
Resistance

What is the resistance of 85 feet of #2
90°C copper conductor?

Steps Keystrokes Display

Reset calculator

[Set] [x]

0.

Set to 90°C mode [Set] 9

3Ø 90 Cu 0.

Enter wire size

2 [WireSz]

2 CU

AWG WIRE SIZE

Find resistance

[Set] [Length]

0.2033993

OHMS WIRE

Find 85 ft resist* [÷] 1000 [x] 85 [=] 0.0172889

*NOTE: Given resistance per 1000 feet,
divide by 1000 to get a per foot resis-
tance, then multiply by 85.

Finding DC Resistance

What is the equivalent resistance of a
12 volt DC circuit pulling 5 amps?

Steps Keystrokes Display

Reset calculator

[Set] [x]

0.

Enter voltage

12 [Volts]

12 VOLT

Enter amps

5 [Amps]

5. AMPS

Find resistance

[Set] [Volts]

2.4 OHMS