Finding voltage drop resistance, Finding dc resistance – Calculated Industries 5060 User Manual

Page 52

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50 — ElectriCalc Pro

Finding Voltage Drop
Resistance

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

Steps

Keystrokes

Display

Clear calculator

o o

0.

Set to 90°C

S 9

3Ø 90 Cu 0.

Enter wire size

2 w

AWG 2 CU

WIRE SIZE

Find resistance

S l OHMS 0.2033993

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.

* NOTE: See “Settings” for a list of
Permanent Values/settings. Changing
these settings may affect your calculations.

Finding DC Resistance

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

Steps

Keystrokes

Display

Clear calculator

o o

0.

Enter voltage

12 U

VOLT 12.

Enter amps

5 A

AMPS 5.

Find resistance

S U

OHMS 2.4

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