Calculated-industries 5070-A User Guide User Manual

User's GUide — 9Wire Sizing KeysThe ElectriCalc Pro uses NEC Table 310.15(B)(16) (310.15(B)(17) for Free Air) to nd Wire Sizes and Ampacity rati

10 — electricalc® Pro(cont’d)♦ Fourth Press If a Wire Length has been entered, displays the minimum Wire Ampacity rating. If no Wire Length has been e

User's GUide — 11(cont’d)♦ Second Press Displays the maximum adjusted Ampacity of the Derated Wire Size.♦ Third Press Displays the Derated Adjus

12 — electricalc® Pro(cont’d)Wire Resistance (Wire Res) — Displays the actual Resistance per 1,000 Feet of the Wire Size in  based on NEC Chapter 9

User's GUide — 13(cont’d)♦ Second Press Displays the aluminum Grounding conductor size.♦ Third Press Displays the NEC table referenced for th

14 — electricalc® Pro♦ Second Press Displays the Full-Load Current percent multiplier value used to determine the Overload current protection size. S

User's GUide — 15(cont’d)♦ Second Press Displays the Full-Load Current percent multiplier value used to determine Fuse size. Subsequent presses r

16 — electricalc® Pro, ,Number of Wires — Used to enter or calculate the Number of Wires in a raceway and calculatecross-sectional Wire Area.♦ Firs

User's GUide — 17♦ Third Press Shows Fill Percentage for the calculated Conduit Size as determined by NEC Table 1, Chapter 9.♦ Fourth Press Show

18 — electricalc® ProPREFERENCE SETTINGSPress , then  to access the Preferences menu. Continue pressing  to toggle through different Preferences. P

User's GUide — 1TABLE OF CONTENTSELECTRICALC® PRO ... 3GETTING STARTED ...

User's GUide — 19(cont’d)baSIC maTh OPERaTIONSThis calculator uses standard chaining logic, which simply means that the entered mathematical stri

20 — electricalc® ProMemory is semi-permanent, clearing only when you do one of the following:– turn off the calculator– press – press – press 

User's GUide — 21FUNCTION KEYSTROKEStore single value in M1 Clear M1 Recall M1 Store 175 into M1, recall the value, and then clear the val

22 — electricalc® ProFinding AmpsWhat is the current (Amps) for a load drawing 8,250 Volt-Amps on a 240 Volt, Three-Phase circuit?KEYSTROKE DISPLAY 

User's GUide — 233. Enter as VA:VA 43,370.4. Enter Volts:VOLT 240.5. Solve for Amps:AMPS 180.70833Finding Amps From KilowattsWhat is the

24 — electricalc® Pro2. Enter Volts:VOLT 120.3. Enter Amps: AMPS 22.4. Solve for Volt-Amps:VA 2,640.5. Solve for kVA:KVA 2.64Finding kVA

User's GUide — 251. Set to 1-Phase:  (1Ø)1 Ø 1 PH2. Enter Volts:VOLT 120.3. Set Power Factor:(PF%)PF% 87.4. Enter Amps:AMPS 45.5

26 — electricalc® ProOhm’S laWThe ElectriCalc Pro’s built-in Ohm’s Law functions allow you to easily solve for Voltage (Volts), Current (Amps), or Res

User's GUide — 27KEYSTROKE DISPLAY2. Enter Voltage:(Vdc)Vdc 12. V3. Find Current:   (Idc)Idc 0.0001 A Finding Resistance (Ohms)An elect

28 — electricalc® ProFinding Single-Phase Full-Load CurrentA 2 HP Induction motor operates on 230 Volt, Single-Phase power. What is the Full-Load Curr

2 — electricalc® ProAMPACITY WIRE SIZING ...30Wire Sizing Based on Insulation Rating

User's GUide — 29(cont’d)KEYSTROKE DISPLAY5. Enter HP:IND* 10. HP * If IND is not shown, press   until IND is displayed in the upper left a

30 — electricalc® Pro5. Solve for HP:SYNC 25. HP 6. Set to Induction motor:(Ind/Sync/DC)IND 0. Finding Direct Current Motor HorsepowerA Dir

User's GUide — 31Wire Sizing Based on Insulation RatingWiring is being installed in a 240 Volt, Single-Phase system rated at 30 kVA. What is the

32 — electricalc® ProRe-Sizing Wire Based on Different Insulation RatingsWhat Wire Size is required for a 3Ø, 75°C Copper branch circuit carrying a lo

User's GUide — 33KEYSTROKE DISPLAY2. Set to 90º C:(90º) 1 Ø 90 1 PH 3. Set to Copper (if necessary):(Cu/Al) 1 Ø 90 Cu 1 PH 4. Ent

34 — electricalc® ProWire Sizing Based on Material TypeFind the Wire Size for a 75°C Copper Wire carrying a 3Ø load of 265 Amps. What is the equivalen

User's GUide — 35Sizing Parallel ConductorsWhat size 60°C insulated Copper Wire is required for a single conductor carrying a 500 Amp load in a F

36 — electricalc® ProFinding Derated Wire SizeWhat is the Derated Wire Size required for nine 75°C Copper wires, each carrying a maximum load of 65 Am

User's GUide — 37KEYSTROKE DISPLAY1. Set to 3-Phase:  (3Ø) 3Ø 3 PH 2. Set to 60º C:(60º) 3Ø 60 3 PH 3. Set to Copper (if necessary):

38 — electricalc® ProVOlTaGE DROPThe reduction in Voltage between the power source and the load can be determined by entering the Phase, Volts, Amps,

User's GUide — 3ELECTRICALC® PROThe ElectriCalc® Pro is an invaluable calculator for today’s busy electrical professional. Unlike a regular calcu

User's GUide — 39(cont’d)KEYSTROKE DISPLAY  0.1. Set to 1-Phase:(1Ø) 1 Ø 1 PH 2. Set to 75 º C:(75º)1 Ø 75 1 PH3. Set to Copper (if

40 — electricalc® ProKEYSTROKE DISPLAY 0.1. Set to 3-Phase:(3Ø)3Ø 3 PH2. Set to 75 º C:(75º)3Ø 75 3 PH 3. Set to Copper (if necessary):

User's GUide — 41(cont’d)2. Set to 75º C:(75º C)3Ø 75 3 PH 3. Set to Copper (if necessary):(Cu/Al)3Ø 75 Cu 3 PH 4. Enter Amps:AMPS

42 — electricalc® Pro2 Set to 60º C:(60º) 3Ø 60 3 PH 3. Set to Copper (if necessary):(Cu/Al)3Ø 60 Cu 3 PH 4. Enter Amps:AMPS 15.5. Ente

User's GUide — 43Finding Voltage Drop ResistanceWhat is the Resistance of 85 Feet of #2 90° C Copper conductor?KEYSTROKE DISPLAY 0.1. Set to

44 — electricalc® ProGROuND CONDuCTOR WIRE SIZEYou can use single or multiple service entrance conductor(s) to nd the grounding electrode conductor f

User's GUide — 45EQuIPmENT GROuNDING COuNDuCTOR WIRE SIZEThe keystroke can be used to nd the Grounding conductor size for raceways and “over

46 — electricalc® Pro1. Set to 3-Phase:(3Ø)3Ø 3 PH 2. Enter Volts:VOLT 230. 3. Enter HP:IND* 50. HP* If IND is not shown, press   unti

User's GUide — 47(cont’d)STaRTER SIZEWhat NEMA size Starter is required for a 575 Volt, 3Ø, 20 HP Induction motor?KEYSTROKE DISPLAY 0.1. Set

48 — electricalc® Pro(cont’d)4. Find 125% Load:AMPS 24. o l 5. Display percent used:%FLC 125. % 6. Reset Overload rating and Clear: 0.C

4 — electricalc® ProGETTING STARTEDYou may want to practice getting a feel for your calculator keys by reading through the key denitions and learning

User's GUide — 49Finding Motor Branch-Circuit Wire Size and Conduit Size — Same Wire Type and SizeWhat size THHN Copper Wire and RMC Conduit are

50 — electricalc® Pro10. Find total number of Wires:2. TTL WIRES11. Find Conduit Fill Percent:FILL 24.3 % COND12. Find actual Fill Area:FILL 0

User's GUide — 515. Find Conduit Size:IMC 1.25 in COND SIZE * Wire Size can also be entered in Circular Mils (e.g.,  enters 26,420 CMI

52 — electricalc® ProFinding Conduit Size — Multiple Conductors, Different Wire Sizes and Types Three 1/0 THWN 75°C conductors and one #2 XHHW 75°C

User's GUide — 53(cont’d)10. Find Conduit Size:FMC 1.50 in COND SIZE11. Find total number of Wires:4. TTL WIRES 12. Find Conduit Fill Per

54 — electricalc® Pro1. Enter BTU rating: 4,500. 2. Find equivalent kilowatt hours:(Btu►Kw-hr)KW-H 1.3176 PaRallEl RESISTaNCEFind the equiv

User's GUide — 55APPENDIX A — DEFAULT SETTINGSAfter a Clear All ( ), your calculator will return to the following settings:STORED VALUES DEFAUL

56 — electricalc® ProAPPENDIX B – PREFERENCE SETTINGSThe ElectriCalc Pro has Preference Settings that allow you to set calculator modes. If you replac

User's GUide — 57APPENDIX C — 2011 NEC REFERENCESTable 250.66Table 250.122Table 310.15(B)(2)(a)Table 310.15(B)(3)(a)Table 310.15(B)(16)Table 310.

58 — electricalc® ProAPPENDIX E — ACCURACY/ERRORS, AUTO SHUT-OFF, BATTERIES, RESETaCCuRaCY/ERRORSAccuracy/Display Capacity — Your calculator has an ei

User's GUide — 5(cont’d)Memory Clear (M-R/C) — Clears Accumulative Memory without changing current display.Percentage — Used to nd a given pe

User's GUide — 59auTO ShuT-OFFYour calculator is designed to shut itself off after about 8-12minutes of non-use.baTTERYThe ElectriCalc Pro uses o

60 — electricalc® ProREPAIR AND RETURNRETuRN GuIDElINES1. Please read the Warranty in this User’s Guide to determine if your Calculated Industries pro

User's GUide — 61WARRANTYWarranty Repair Service – U.S.A. Calculated Industries (“CI”) warrants this product against defects in materials and wor

62 — electricalc® ProDisclaimerCI MAKES NO WARRANTY OR REPRESENTATION, EITHER EXPRESS OR IMPLIED, WITH RESPECT TO THE PRODUCT’S QUALITY, PERFORMANCE,

User's GUide — 63Legal NotesSoftware copyrighted and licensed to Calculated Industries by Spe-cialty Calculator Technologies, LLC, 2011.User’s Gu

64 — electricalc® ProLooking for New IdeasCalculated Industries, a leading manufacturer of special-function calculators and digital measuring instrume

6 — electricalc® Pro(cont’d)Ambient Temperature (Amb°) — Permanently enters ambient temperature for determining ampacity-derived Wire Sizes. Ambient

User's GUide — 7(cont’d)milli- — Used with Watts, Amps, Volts, and Volt-Amps keys to identify “milli-” values.Amps — Enters or calculates Amp

8 — electricalc® Pro(cont’d)Efficiency (Eff %) — Enters or calculates the percent ratio between real power (Watts) and Theoretical Horsepower. Defau