Calculated Industries 5060 User manual

ELECTRICALC ®PRO
NEC®COMPLIANT
UPDATEABLE ELECTRICAL CODE CALCULATOR
Model 5060
User’s Guide

IMPORTANT NOTE ON
USER RESPONSIBILITY
Due to the serious nature of electrical
installations, the user of this calculator
must be certain that he or she is using
it correctly, i.e., in accordance with both
the following instructions and National
Electrical Code®requirements.
This tool was designed to work with the
2005 NEC®and future Codes, not re-
place it. Users, especially those unfa-
miliar with the Code, should exercise
appropriate caution.
If questions arise as to the correctness
of an answer given by the calculator, or
if an answer appears to conflict with the
Code, the user should always defer to
the Code.
If used responsibly and correctly, this
tool will save the user hours of tedious
calculation and look-up time, reduce
material costs, and provide safe, accu-
rate, Code-legal answers.
National Electrical Code and NEC are
registered trademarks of the National
Fire Protection Association, Inc.,
Quincy, MA 02269

User’s Guide — 1
Introducing the
ElectriCalc®Pro
Now NEC®-Updateable!
The ElectriCalc®Pro is an invaluable
calculator for today’s busy electrical
professional. Unlike a regular calcula-
tor, it has intuitively labeled “electrical
keys” and conforms to the 2005 and
future National Electrical Codes, allow-
ing you to solve Code-related problems
quickly and accurately. The most com-
mon NEC tables are now at your finger-
tips!
An important new feature of the Elec-
triCalc Pro is that it is now programmed
to accept future NEC changes, allowing
you to conveniently install future Code
editions in a few simple steps.

2 — ElectriCalc Pro
The ElectriCalc Pro instantly solves for
the following:
♦Volts, Amps, Volt-Amps, Watts,
kVA, kW, PF%, EFF%, and DC
Resistance
♦Copper or Aluminum Wire Sizes
♦Parallel and Derated Wire Sizes
♦Voltage Drop Wire Sizes, % and
Actual Voltage Drops, Voltage
Drop Distances and Wire Resis-
tances
♦Kilowatt hours and BTU’s
♦Parallel Resistance
♦Grounding Conductors Sizes
♦Motor Full-Load Amps
♦Overload Protection Sizes
♦NEMA Starter Sizes
♦Conduit Sizes
♦And much more!

User’s Guide — 3
Table of Contents
Installing NEC Updates . . . . . . . . . . . . . .4
Key Definitions . . . . . . . . . . . . . . . . . . . .5
Preference Settings . . . . . . . . . . . . . . . .25
Default Settings . . . . . . . . . . . . . . . . . .26
Basic Math Operations . . . . . . . . . . . . . .27
Percent Calculations . . . . . . . . . . . . . . .27
Memory Functions . . . . . . . . . . . . . . . .28
New 2005 Functions . . . . . . . . . . . . . . .29
Kerchoff’s Law . . . . . . . . . . . . . . . . . . .31
Motor Horsepower . . . . . . . . . . . . . . . .35
Ampacity Wire Sizing . . . . . . . . . . . . . .37
Voltage Drop . . . . . . . . . . . . . . . . . . . .45
Ground Conductor Wire Size . . . . . . . . . .51
Equipment Grounding Conductor Wire Size . .52
Fuse and Circuit Breaker Size . . . . . . . . .53
Starter Size . . . . . . . . . . . . . . . . . . . . .53
Overload Protection Size . . . . . . . . . . . .54
Conduit Size . . . . . . . . . . . . . . . . . . . . .54
Error Codes . . . . . . . . . . . . . . . . . . . . .59
Battery Information . . . . . . . . . . . . . . . .60
2005 NEC References . . . . . . . . . . . . . .61
Updating Future Code Revisions . . . . . . .61
Settings . . . . . . . . . . . . . . . . . . . . . . . .62
Warranty Repair and Return . . . . . . . . . .63
Legal Notices . . . . . . . . . . . . . . . . . . . .66

4 — ElectriCalc Pro
Installing NEC Updates
Your ElectriCalc Pro is now updateable
for future National Electrical Code®
editions that are updated every three
(3) years (next Code update is 2008).
To upgrade your unit, follow the instruc-
tions below:
1) Purchase the NEC Update from CI
(see pricing / details from CI’s Web
site: www.calculated.com or call 1-
800-854-8075). This Update is in the
form of a chip that contains the new
Code.
2) Once you receive the NEC Update
chip, you need to install it in your
ElectriCalc Pro:
a) Turn calculator off.
b) As a precaution, remove the bat-
tery (located back of calculator, top
of unit) by sliding battery door out
with your thumbnail. Set aside.
c) Using a screwdriver, pop out the
square tab located in the middle
section on the back of your calcu-
lator.
d) Replace it with the new update tab
by inserting it into the slot.
e) Replace the battery door.
f) Turn calculator on. Your calculator
is now updated and ready to use.

User’s Guide — 5
Key Definitions
Standard Calculator Functions
o— On/Clear
Turns on power. Pressing once clears
the last entry and the display. Pressing
twice clears all non-permanent values.
O — Off
Turns all power off. Clears the memory
and most internal registers.
+ – x ÷ =
Arithmetic operation keys.
0 1 2 3 4 5 6 7 8 9 •
Used for keying in numbers.
%— Percent
Four function percent key.
B Back Space Function
Used to delete entries one keystroke at
a time (unlike the On/C function, which
deletes the entire entry).
S — Second Function
Used with other keys to access second-
ary functions
s— Store
Used with function keys to store values.
Displays: STOR.

6 — ElectriCalc Pro
r — Recall
Recalls a value stored in a register
(e.g., to recall voltage drop % press
r v ). Displays: RCL.
S + — Pi (π)
Constant = 3.141593
S – — Change Sign (+/–)
Toggles the sign of the displayed value
(from positive to negative or from nega-
tive to positive).
S % — x2
Squares the displayed value.
S B — Square Root ( )
Square root function.
s 0 — Cumulative Memory
Adds displayed value to Memory (e.g.,
10 s0,20s0, r 0 = 30). To
subtract from memory, you must add a
negative value to the cumulative
memory (e.g.,10 s0, 5 S–,
s0, r0= 5). Clears when the
calculator is shut off.
r 0 — Memory Recall
Displays the value saved in (M+).
r r — Display/Clear Memory
Displays and clears the value saved in
(M+).

User’s Guide — 7
Sr — Clear Memory
Clears the value saved in (M+) without
changing displayed value.
Mode Set-up Functions
S x — Clear All
Clears all values, including Memory.
Resets settings to default values, except
preference settings which are retained.
S ÷ — Preferences
Use to set default settings or modes
(see “Preference Settings” page 26).
S 1 — Single-Phase (1Ø)
Sets calculator to single-phase mode.
Displays: 1Ø.
S 3 — Three-Phase (3Ø)
Sets calculator to three-phase mode.
Displays: 3Ø.
S 2— Ambient Temperature (Amb°)
Permanently enters ambient tempera-
ture for determining ampacity derived
wire sizes. Ambient temperature will
only change when entering a new value
or by resetting the calculator. Defaults
to 30°C (86°F). Amb° will display when
the ambient temperature is other than
30°C (86°F). Displays: Amb°.

8 — ElectriCalc Pro
NOTE: The temperature units can be
displayed in Celsius (°C) or Fahrenheit
(°F) by using the preference function
S ÷.
S 4 — Copper/Aluminum
Used to toggle between copper (de-
fault) and aluminum wire types. When
the wire type is revised, any calculated
wire size will be re-calculated automati-
cally. If a wire size is entered with the
wrong wire type, pressing S 4 will
change the material type without
changing the size.
Displays: Al or Cu.
S 5 — Free Air (FrAir)
Sets calculator into Free Air mode,
which refers to NEC Table 310-17 for
wire size calculations. Displays: FrAir.
S 6 — 60°C Wire Insulation
Sets calculator to 60°C wire insulation
type for wire size calculations. This is
the default setting.
Displays: 60.
S 7 — 75°C Wire Insulation
Sets calculator to 75°C insulation type
for wire size calculations.
Displays: 75.