- DL manuals
- Calculated Industries
- Calculator
- 5060
- User Manual
Calculated Industries 5060 User Manual
Summary of 5060
Page 1
E lectri c alc ® p ro nec ® compliant updateable electrical code calculator model 5060 user’s guide.
Page 2: Important Note On
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 ...
Page 3: User’S Guide — 1
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 co...
Page 4: 2 — Electricalc Pro
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 ...
Page 5: User’S Guide — 3
User’s guide — 3 table of contents installing nec updates . . . . . . . . . . . . . .4 key definitions . . . . . . . . . . . . . . . . . . . .5 preference settings . . . . . . . . . . . . . . . .25 default settings . . . . . . . . . . . . . . . . . .26 basic math operations . . . . . . . . . . . . ....
Page 6: 4 — Electricalc Pro
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 /...
Page 7: User’S Guide — 5
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 ...
Page 8: 6 — Electricalc Pro
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 % — x 2 squar...
Page 9: User’S Guide — 7
User’s guide — 7 s r — 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 setti...
Page 10: 8 — Electricalc Pro
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-calcul...
Page 11: User’S Guide — 9
User’s guide — 9 s 9 — 90°c wire insulation sets calculator to 90°c insulation type for wire size calculations. Displays: 90. Electrical functions k — kilo- this key is used with watts, amps, volts, and volt-amps keys to identify “kilo-” values. S k — milli- this key sequence is used with watts, amp...
Page 12: 10 — Electricalc Pro
10 — electricalc pro v — volt-amps enters or calculates volt-amps (using amps, volts and horsepower or watts). Displays: va kva, or mva. W — watts enters or calculates watts (using amps, volts, and va or horsepower). Displays: watt kw, or mw. S w —power factor enters or calculates power factor per- ...
Page 13: User’S Guide — 11
User’s guide — 11 s = (btu kw-hr ) — btu to kilowatt hours function. Calculate kilowatt hours based on an entered btu (british thermal unit) value. S s (par res ) — parallel resistance function. Calculate total resistance based on an entered series of resistance values. Motor horsepower functions th...
Page 14: 12 — Electricalc Pro
12 — electricalc pro h — motor horsepower enters or calculates motor horsepower. Displays: sync hp (synchronous) or hp ind (induction - default). Ampacity tables the electricalc pro uses nec table 310-16 (310-17 for free air) to find wire sizes and ampacity ratings of wires. The calculator uses the ...
Page 15: User’S Guide — 13
User’s guide — 13 ♦ second press if a wire length has been entered, the second press displays the smaller of the two wire sizes. If not solving for voltage drop wire size, then displays the maximum ampacity. ♦ third press if a wire length has been entered, dis- plays the minimum wire ampacity rat- i...
Page 16: 14 — Electricalc Pro
14 — electricalc pro ♦ second press displays the maximum adjusted am- pacity of the calculated parallel wire size. Displays: wire a. Note: no adjustments are made for deration. S p— derated wire size used to calculate derated wire sizes and allowable ampacity based on the entered quantity of wires, ...
Page 17: User’S Guide — 15
User’s guide — 15 voltage drop solutions the electricalc pro will calculate maximum lengths, minimum wire sizes or actual voltage drops given the other two values. Voltage drop solutions are based on the dc resistance values found in nec chapter 9, table 8. Note: voltage drop solutions may vary slig...
Page 18: 16 — Electricalc Pro
16 — electricalc pro l — length enters or calculates the length of a run for voltage drop computation. Displays: feet or met. Note: units of length can be set to feet or meters by use of the prefer- ence function s ÷. S l — wire resistance displays the actual resistance per 1,000 feet of the wire si...
Page 19: User’S Guide — 17
User’s guide — 17 ♦ second press displays the aluminum grounding elec- trode conductor size. Displays: grnd al wire size. ♦ third press displays the circular mil area used to calculate the grounding electrode con- ductor size. Displays: cmil wire. S g—equipment ground (eqgrnd) this function uses nec...
Page 20: 18 — Electricalc Pro
18 — electricalc pro fuse/breaker keys the electricalc pro has special keys that automatically calculate the amp ratings of the following over-current protection devices: dual element fuses (time delay), single element fuses (non-time delay), instantaneous trip breakers (type 1), inverse time breake...
Page 21: User’S Guide — 19
User’s guide — 19 ♦ first press displays the current motor type. Note there is no motor type in single-phase mode. ♦ second press in three-phase mode only, subsequent presses of l will select and display the next motor type from this list: sq-c non-e (squirrel cage, non- design e), sq-c e (squirrel ...
Page 22: 20 — Electricalc Pro
20 — electricalc pro ♦ second press displays the full-load current percent multiplier value used to determine fuse size. Subsequent presses repeat this cycle. Displays: %flc. S i — instantaneous trip circuit breaker ♦ first press displays the minimum amp rating for an instantaneous trip circuit brea...
Page 23: User’S Guide — 21
User’s guide — 21 l — overload protection ♦ first press displays the overload amperage re- quirement based on the full-load cur- rent shown on the motor nameplate. Multiplies the entered motor nameplate full-load current (stored in the [amps] registers) by 115% or the value you enter. Conforms to ne...
Page 24: 22 — Electricalc Pro
22 — electricalc pro conduit sizing keys the electricalc pro calculates conduit size using nec tables 1, 3, 4, and 5 of chapter 9 (given insulation type, wire size, and quantity of wires). It will also calculate the number of wires of a specified insulation type and wire size that will fit in a defi...
Page 25: User’S Guide — 23
User’s guide — 23 ♦ third press shows total cross-sectional area of all entered wires of the selected wire insu- lation. Displays: ttl wire area. C — conduit size used to find conduit sizes based on the total area of the entered wire types and sizes (up to 15 at one time). If the quantity and insula...
Page 26: 24 — Electricalc Pro
24 — electricalc pro ♦ third press shows fill percentage for the calculated conduit size as determined by table 1, chapter 9. Displays: cond fill %. ♦ fourth press shows the total wire area for all entered wires. Displays: fill ttl wire area. ♦ fifth press shows remaining fill area. This value may b...
Page 27: User’S Guide — 25
User’s guide — 25 preference settings your calculator has the following pref- erence settings that you can access and change at any time. Access the preference settings by pressing s ÷. Then, to access each category, press the ÷ key until the desired setting is reached. Within each category, press t...
Page 28: 26 — Electricalc Pro
26 — electricalc pro to set ambient temp. To °c or °f: ÷ (2nd press of ÷) amb° 30 °c + amb° 86 °f to set length to feet or meter: ÷ (3rd press of ÷) feet 1. + met 1. Default settings when you first receive your calculator, it is pre-set to the default settings listed below. You can always return you...
Page 29: User’S Guide — 27
User’s guide — 27 basic math operations this calculator uses standard chaining logic, which simply means that you enter your first value, the operator ( +, –, x, ÷), the second value and then the equals sign =. A. 3 + 2 = 5 b. 3 – 2 = 1 c. 3 x 2 = 6 d. 3 ÷ 2 = 1.5 percent calculations the percent ke...
Page 30: 28 — Electricalc Pro
28 — electricalc pro memory functions whenever the s 0 (m+) keys are pressed, the displayed value will be added to memory. A list of memory keystrokes/functions is provided below: function keystrokes add to memory s 0 display total in memory ® r 0 display & clear memory ® r r clear memory, no displa...
Page 31: User’S Guide — 29
User’s guide — 29 new 2005 functions the default nec setting is now 2005. This will be displayed after performing a clear all s x. The nec preference settings (see pref- erence settings on page 26) will now include 1996, 1999, 2002, and 2005. Nec wire table identification the electricalc pro now dis...
Page 32: 30 — Electricalc Pro
30 — electricalc pro find the equivalent btu rating of a 3.5 kw-hr rated furnace. Steps keystrokes display enter kilowatt 3 • 5 ® ® 3.5 hours find equivalent s • btu 11,953.552 btu btu kw-hr – btu to kilowatt hours function. New function that allows you to calculate kilowatt hours rating based on an...
Page 33: User’S Guide — 31
User’s guide — 31 find the equivalent resistance for 10 ohm, 20 ohm, and 30 ohm resistors placed in parallel. Steps keystrokes display enter 1 st resistor 10ss p-rt 10.00 enter 2 nd resistor 20ss p-rt 6.67 enter 3 rd resistor 30ss p-rt 5.88 note: the total is recalculated with each addi- tional resi...
Page 34: 32 — Electricalc Pro
32 — electricalc pro finding amps what is the current (amps) for a load drawing 8,250 volt-amps on a 240 volt, three-phase circuit? Steps keystrokes display clear calculator o o 0. Set to 3-phase s 3 3 ph enter va 8250v va 8,250. Enter volts 240u volt 240. Solve for amps a a amps 19.846416 finding c...
Page 35: User’S Guide — 33
User’s guide — 33 6470 = 43,370. Enter as va v va 43,370. Enter volts 240 u volt 240. Solve for amps a amps 180.70833 finding amps from kilowatts what is the amperage for a 75 kw load connected in a 120/208 volt, 3Ø circuit? Steps keystrokes display clear calculator o o 0. Set to 3-phase s 3 3 ph en...
Page 36: 34 — Electricalc Pro
34 — electricalc pro finding kva rating what is the kva rating for a 120/208 volt, three-phase 65 amp transformer? Steps keystrokes display clear calculator o o 0. Enter volts 208 u volt 208. Enter amps 65 a amps 65. Solve for kva k v kva 23.417327 finding wattage a 120 volt single-phase 45 amp elec...
Page 37: User’S Guide — 35
User’s guide — 35 steps keystrokes display clear calculator o o 0. Set to 3-phase s 3 3 ph set power factor 100sw pf%100. Enter amps 90 a amps 90. Enter volts 208 u volt 208. Solve for kw kw kw 32.423991 motor horsepower the electricalc pro can calculate the full load current (amps) of a motor, base...
Page 38: 36 — Electricalc Pro
36 — electricalc pro finding single-phase full load current a 2 hp induction motor operates on 230 volt, single-phase power. What is the full load current for this motor? Steps keystrokes display clear calculator o o 0. Set to 1-phase s 1 1 ph enter volts 230 u volt 230. Enter hp 2 h ind 2. Hp find ...
Page 39: User’S Guide — 37
User’s guide — 37 finding synchronous motor horsepower a synchronous motor is defined as having a 27 amp load on a 240 volt, 3Ø circuit. What is its horsepower? Steps keystrokes display clear calculator o o 0. Set to synch. S 8 sync 0. Enter volts 240 u volt 240. Enter amps 27 a amps 27. Solve for h...
Page 40: 38 — Electricalc Pro
38 — electricalc pro wire sizing based on insulation rating wiring is being installed in a 240 volt, single-phase system rated at 30 kva. What is the wire size needed if you use 60°c copper wire? Steps keystrokes display clear calculator o o 0. Set to 1-phase s 1 1 ph enter kva 30 k v kva 30. Enter ...
Page 41: User’S Guide — 39
User’s guide — 39 re-sizing wire based on different insulation ratings what wire size is required for a 75°c copper branch circuit carrying a load of 260 amps? What would the wire size be if 90°c copper is used? Steps keystrokes display clear calculator o o 0. Set to 75°c s 7 3Ø 75 cu 0. Enter amps ...
Page 42: 40 — Electricalc Pro
40 — electricalc pro wire sizing based on ambient temperature find the 90°c aluminum wire size needed to connect a 47,700 volt-amp load to a 240 volt, single-phase source. What is the adjusted wire size, if the ambient temperature rating is changed from the default 30°c to 40°c? Steps keystrokes dis...
Page 43: User’S Guide — 41
User’s guide — 41 wire sizing based on material type find the wire size for a 75°c copper wire carrying a 3Ø load of 265 amps. What is the equivalent aluminum wire size? Steps keystrokes display clear calculator o o 0. Set to 75°c s 7 3Ø 75 cu 0. Enter amps 265 a amps 265. Find wire size w awg 300 c...
Page 44: 42 — Electricalc Pro
42 — electricalc pro sizing parallel conductors what size 60°c insulated copper wire is required for a single conductor carrying a 500 amp load in a free air environ- ment (30°c amb. Temp.)? What size for 2 parallel conductors? For 3 conduc- tors? Steps keystrokes display clear calculator o o 0. Set...
Page 45: User’S Guide — 43
User’s guide — 43 finding derated wire size what is the derated wire size required for nine 75°c copper wires, each carry- ing a maximum load of 65 amps? Steps keystrokes display clear calculator o o 0. Set to 75°c s 7 3Ø 75 cu 0. Enter amps 65 a amps 65. Find normal wire size w awg 6 cu wire size f...
Page 46: 44 — Electricalc Pro
44 — electricalc pro sizing temperature-adjusted derated wires a circuit was built with 90°c aluminum wire connecting a 47,650 volt-amp load to a 240 volt, single-phase source. Ambient temperature is 50°c. What is the derated wire size required if eight current-carrying thhn wires were in- stalled i...
Page 47: User’S Guide — 45
User’s guide — 45 voltage drop the reduction in voltage between the power source and the load can be de- termined by entering the phase, volts, amps, wire material, voltage drop wire size and length of run. The calculator determines resistance and then the voltage reduction. Voltage drop can be disp...
Page 48: 46 — Electricalc Pro
46 — electricalc pro important note on voltage drop calculations the electricalc pro calculates voltage drop and wire size using dc resistance as defined by the 2005 nec. To find the voltage drop for a specific wire size, you must first enter amps and the one- way wire length (and other required var...
Page 49: User’S Guide — 47
User’s guide — 47 * note: see “settings” for a list of permanent values/settings. Changing these settings may affect your calculations. Finding three-phase voltage drop a 20-amp three-phase load is being fed by a 230-volt source located 150 feet away. The installation specifications require 75°c #10...
Page 50: 48 — Electricalc Pro
48 — electricalc pro finding voltage drop wire size a 20-amp single-phase 208-volt load will be located 175 feet away from the source. Assuming a 3% allowable volt- age drop, what is the size of 75°c con- ductor required for this branch circuit? Steps keystrokes display clear calculator o o 0. Set t...
Page 51: User’S Guide — 49
User’s guide — 49 finding voltage drop distance how far from a single-phase 240-volt source can you install a 15 amp load using 60°c #10 aluminum branch circuit conductors? Assume a 3% allowable voltage drop. Steps keystrokes display clear calculator o o 0. Set to 1-phase s 1 1 ph set to aluminum s ...
Page 52: 50 — Electricalc Pro
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 ...
Page 53: User’S Guide — 51
User’s guide — 51 ground conductor wire size you can use single or multiple service entrance conductor(s) to find the grounding electrode conductor for ac systems. When using multiple conduc- tors, the electricalc pro uses the equivalent circular mils to find the grounding electrode conductor (based...
Page 54: 52 — Electricalc Pro
52 — electricalc pro equip. Grounding conductor wire size the s g keystroke can be used to find the grounding conductor size for raceways and “over-current devices in circuit ahead” equipment. The calcula- tor uses the displayed amperage value to solve for the equipment grounding conductor based on ...
Page 55: User’S Guide — 53
User’s guide — 53 fuse and circuit breaker size what is the calculated dual element and single element fuse size for a 230 volt, 3-phase, 50 hp induction motor? What are the instantaneous trip and inverse time circuit breaker require-ments? Steps keystrokes display clear calculator o o 0. Enter volt...
Page 56: 54 — Electricalc Pro
54 — electricalc pro overload protection size what overload protection device size is required for a 460 volt, 3-phase, 15 hp induction motor with a nameplate cur-rent rating of 19.2 amps and a 1.0 ser-vice fac- tor? What is the required overload rating at 125% (for a 1.15 service factor)? Steps key...
Page 57: User’S Guide — 55
User’s guide — 55 to select a specific conduit type, enter the corresponding number of the con- duit and then press s c. The num- bers and types are: 1) emt 2) ent 3) fmc 4) imc 5) lfnb 6) lfna 7) lfmc 8) rmc 9) p-80 10) p-40 11) p-a 12) p-eb when you enter a new conduit type or scroll through the t...
Page 58: 56 — Electricalc Pro
56 — electricalc pro find conduit size c rmc 1.25 in cond size find total # wires c 2. Ttl wires find conduit fill % c fill 24.3 cond % find act. Fill area c fill 0.3710 ttl wire area find rem. Area c rem 0.1021 wire area note: display will also show wire size in upper left when displaying maximum a...
Page 59: User’S Guide — 57
User’s guide — 57 enter wire size 6 w awg 6 cu wire size enter # thhn 11 t thhn 11. Wires find conduit size c imc 1.25 in cond size finding number of wires in ex- isting conduit — same size, various types find the maximum number of #10 thhn copper wires that can be pulled through an existing 3” emt ...
Page 60: 58 — Electricalc Pro
58 — electricalc pro finding conduit size - multiple conductors different wire sizes & types three 1/0 thwn 75°c conductors and one #2 xhhw 75°c copper conductor are to connect to a panel board using a single conduit. What is the cross- sectional area of wires, conduit size and actual fill area? (us...
Page 61: User’S Guide — 59
User’s guide — 59 ttl wires find conduit fill % c fill 36.1 cond % find actual fill area c fill 0.6711 ttl wire area find remaining area c rem 0.0717 wire area * note: see “settings” for a list of permanent values/settings. Changing these settings may affect your calculations. Error codes the error ...
Page 62: 60 — Electricalc Pro
60 — electricalc pro battery information the calculator is powered by a single 3- volt lithium cr-2032 battery. This should last upwards of 800 hours of actual use (1 year plus for most peo- ple). If the display becomes very dim or erratic, replace the battery. Note: please use caution when dis- pos...
Page 63: User’S Guide — 61
User’s guide — 61 2005 nec references table 250.66 table 250.122 table 310.15(b)(2)(a) table 310.16 table 310.17 chapter 9, table 1, 4, 5 and 8 section 430.32 table 430.148 table 430.150 table 430.152 appendix c updating future code revisions this model is updateable for future nec editions. For inf...
Page 64: 62 — Electricalc Pro
62 — electricalc pro settings permanent values/settings values and settings maintained in per- manent memory can only be changed (1) by pressing s x (resets calculator to default settings), or (2) by changing each one or all of these settings. The following are permanent values: (1) selectable (60°c...
Page 65: User’S Guide — 63
User’s guide — 63 warranty, repair and return information return guidelines 1. Please read the warranty in this user's guide to determine if your calculated industries calculator, meas- uring device or electronic tool remains under warranty before calling or return- ing any device for evaluation or ...
Page 66: 64 — Electricalc Pro
64 — electricalc pro warranty warranty repair service – u.S.A. Calculated industries (“ci”) warrants this prod- uct against defects in materials and workman- ship for a period of one (1) year from the date of original consumer purchase in the u.S. If a defect exists during the warranty peri- od, ci ...
Page 67: User’S Guide — 65
User’s guide — 65 non-warranty repair service – u.S.A. Non-warranty repair covers service beyond the warranty period, or service requested due to damage resulting from misuse or abuse. Contact calculated industries at the number listed above to obtain current product repair information and charges. ...
Page 68: 66 — Electricalc Pro
66 — electricalc pro fcc class b this equipment has been certified to comply with the limits for a class b calculating device, pur- suant to subpart j of part 15 of fcc rules. Legal notices software copyrighted and licensed to calculated industries by construction master technologies, llc, 2005. Use...
Page 69: User’S Guide — 67
User’s guide — 67 looking for new ideas calculated industries, a leading manu- facturer of special-function calculators and digital measuring instruments, is always looking for new product ideas in these areas. If you have an idea, or a suggestion for improving this product or user’s guide, please s...
Page 70
Printed in china 5060ugl-e-c 1/05.