LectriCalc v5.0 Calculations List

Ampacity Module Calculates: 

• Derated and Maximum Ampacity
• Minimum and Maximum OCPD (overcurrent protection)
• Conductor Size

 Amps From Module Calculates:

• Amperage from volts and watts
• Amperage for single and 3-phase current from volts and KVA
• Amperage for single and 3-phase current from volts and KW and Power Factor
• Amperage for single and 3-phase current from volts and horsepower, Power Factor, and Efficiency

Box Size Module Calculates: 

• Acceptable Boxes for conductors size 6 through 16, accounting for included clamps, hickeys, studs, grounds, and devices.

 Conduit Fill Module Calculates: 

• Minimum allowable conduit for any mix of conduit type and conductor insulation and size.
• This calculator can also show the maximum number of conductors, all the same size, allowable in any conduit.
• The calculator supports nipples, conduit body calculations, and reports minimum allowed wire-bending space at terminals and minimum width of wiring gutters, auxiliary gutters, conduit bodies, panelboards, J-boxes, pull boxes, etc.
• The calculator can also display the area and diameter of any conductor.

 Entergy Cost Module Calculates: 

• Total Energy Cost per day, week, month and year based on total watts, KW cost, and hours per day.

 Find KW/HP Module Calculates: 

• DC, Single Phase, and 3-Phase KW and HP from Amps, Volts, Efficiency, and Power Factor

 Foot Candle Calculator Calculates: 

• Light falling on an object in ft-candles and LUX, based on lamp output in either candle power or lumens.

 Grounding Conductor Module Calculates: 

• GEC Size for copper and aluminum from conductor size and material, and EGC Size based on amperage.

 Impedance Module Calculates: 

• IEEE 141 Exact Voltage Drop
• Resistance
• Reactance
• Effective Z (impedance)

 Motor Data Module Calculates: 

• FLC, Conductor Size, OCP (overcurrent protection), Starter, Overload fuse, Disconnect Size, and Heater. Multi-Motor calculations are supported and Locked Rotor Current is calculated.

 Transformers, Single Phase Module Calculates: 

• Input Watts from Output Watts and Efficiency
• Output Watts from Input Watts and Efficiency
• Efficiency from Input Watts and Output Watts
• Primary and Secondary Volts from amps and KVA, or Volts and Turns
• Primary and Secondary Amps from volts and KVA, or volts and amps
• Primary and Secondary Turns from volts and turns or amps and turns
• KVA from volts and amps
• Turns ration from turns or volts

 Transformers, Three Phase Delta Module Calculates: 

• Input volts from output volts and phase volt ratio
• Output volts from input volts and phase volt ratio
• Phase Volt Ratio from input volts and phase volts
• Primary and Secondary Line VA from line volts
• Line Volts from line VA
• Line Amps from line volts
• Line Amps from phase amps
• Phase Amps from line amps
• Line 1 Amps from line 3 amps
• Line 3 amps from line 1 amps
• Neutral amps from line 1 amps

 Transformers, Three Phase Wye Module Calculates: 

• Line Volts from phase volts
• Phase Volts from line volts
• Neutral Current from line amps 1, 2 and 3

 Wattage/KVA Module Calculates: 

• Single and 3-Phase Wattage and KVA for Single and 3-Phase apparent power from amps, volts, and power factor

 Wire Cost Module Calculates: 

• Cost of wire waste based on length and size of wire and cost per ft or meter or pound or KG.

 Voltage Drop Module Includes: