# Electrical Formula & Equations

• Lighting

## Lighting Design Calculation in a Building – Step by Step

How to do Lighting Design Calculation in a Building – Electrical Wiring Installation In professional field proper lighting design is very important because an under lighting arrangement will decrease the…

• EE Calculators

## What is Voltage Drop? Advanced Voltage Drop Calculator with Solved Examples

Advanced Voltage Drop Calculator with Solved Examples & Formulas in IEC and IEC What is Voltage Drop? Voltage drop refers to the reduction in voltage as electric current flows through…

• Power Factor

## What is Power Factor (Cos ϕ) ? Cos fi or P.F Definition & Formulas

Power Factor Definitions and Formulas In electrical engineering, power factor is only and only related to AC circuits i.e. there is no power factor (P.f)  in DC circuits due to…

• Formulas - Equations

## Basic Electrical Formulas

Formulas for Basic Electrical Quantities and Parameter The following chart provides a list of basic electrical formulas with definitions to calculate and measure basic electrical parameters and quantities. (Formula chart…

• Formulas - Equations

## Electrical Formulas AC & DC Circuits (Single-φ & 3-φ)

Electrical Formulas AC & DC Circuits (Single-φ & 3-φ) We can Find the Following Quantities by Using Below Formulas Chart Electrical Formulas in DC Full load Current in Amperes (Alternating…