| Calculated Industries ElectricCalc LT For Electrical Contractors Designers Electricians Save time avoid costly errors & solve hundreds of electrical problems with the touch of a few buttons! Unlike a regular calculator the ElectriCalc LT has custom "electrical keys" with common NationalElectrical Code (NEC) tables built-in allowing you to solve Code-related problems quickly and accurately. It's a handy 1999 NEC Reference Tool that puts electrical/wiring answers at your fingertips! Solve Electrical Math Problems Instantly Solve for volts amps volt-amps watts kVA kW PF% EFF% and DC resistance. Copper or Aluminum Wire Sizes Calculates wire sizes per NEC 310-16 & 310-17. Copper or aluminum 3/1 60C 75C 90C insulation ratings at 100% or 125% of ampacity. Adjusts wire sizes for ambient temperatures other than 30C and for more than three wires in a raceway. Parallel & Derated Wire Sizes One-button parallel & derated wire sizing. Voltage Drop Calculations Lets you find: minimum voltage drop wire size max. length for any given wire size and drop percentage actual number and percentage of volts dropped. Grounding Conductor Sizes Calculates service and equipment grounding conductor sizes. Works as a Regular Calculator Durable and Portable |