# Current

• Protection

## Why are “High Voltage” Signs used when Only Current Kills?

Why are ‘High Voltage’ Warning Signs Used When It’s Only Current that can Cause Electrocution? “High Voltage” warning signs are used to alert people to the presence of potentially dangerous…

• Protection

## How Many Amps Will Flow in a Short Circuit Powered by a 120V, 20A Breaker?

In the Case of a Short Circuit Occurring in a 120V Circuit Powered by a 20-Amp Breaker, How Many Amps will Flow Before the Breaker Trips? There is no “one-size-fits-all”…

• Protection

## Which One is More Dangerous? 120V or 230V and Why?

Which AC Voltage Level is Safer? 230V or 120V in Domestic and Residential Applications We all know that the domestic and residential voltage levels at the homes are 230V AC…

• Basic Concepts

## What is Ampere (A)? Unit of Electrical Current & Calculation

Amps “A”: Definition, Formula, Measurement, Conversion and Calculation What is Ampere? An Ampere is the unit of electric current. It is named after the French physicist André-Marie Ampère (who is…

• Comparisons

## Difference between Electron Current and Conventional Current

What is the Difference between Conventional Current and Electron Current? The electrical & electronics engineering is the study that revolves around the electric current. Electric current can be classified into…

• EE Calculators

## Amps to Watts Calculator & Conversion – DC/AC (1 & 3 Phase)

How to Convert Amperes (A) to Watts (W)? Simple and Advanced Calculators You can use the following two calculators (Simple and Advance) to calculate the electric power in watts from…

• EE Calculators

## Watts to Amps Calculator & Conversion – DC/AC (1 & 3 Phase)

How to Convert Watts (W) to Amperes (A) – Simple and Advanced Calculators The following two (basic and advanced) calculators can be used to calculate and convert the electric current…

• Electrical Energy

## What is Electrical Energy? Its Unit, Formula & Applications

Electrical Energy, Its Unit, Formula and Applications What is Energy? Energy is the capacity for doing work or the ability to do some work is known as energy. Energy exists…

• Formulas - Equations

## Basic Electrical Engineering Formulas and Equations

Basic Voltage, Current, Power and Resistance Formulas in AC and DC Circuits Following are the electrical engineering formulas and equations for the basic quantities i.e. current, voltage, power, resistance and…

• Electrical Wiring

## Find Voltage & Ampere Rating of Switch, Plug, Outlet & Receptacle

How to Find the Proper Ampere and Voltage Rating of Switch, Socket-outlet, Receptacle, and Plug etc.? Switches, outlets, plugs, receptacles, connectors, GFCI etc. are designed and rated with different rating…