This site is dedicated to the sharing of electrical knowledge.
A place for electrical professionals – including electricians, electrical engineers, electronics engineers and control engineers – to help each other out.
Electrical Knowledge’s purpose is to collect, warehouse and makes freely available information sought by electrical professionals.
We cover a range of electrical theory and concepts including:
- Basic Electrical Engineering
- Electrical Safety
- Electrical Tools, Components and Equipment
- Electrical Wiring
- Fundamentals of Electrical Circuits
- Electrical Symbols & Terminology
- Electrical Formulas & Theory
- Power Electronics
We’d love to hear from you – no question is too basic. Please contact us if you would like to contribute or request a specific topic.
The Best Tools For Electricians Reviewed (2019 Update)
Today I’m going to show you the best tools used by electricians around the world. These tools are a must have for electricians who don’t want to waste their time…
Best Electricians Screwdriver Set (2019 Review)
Every electrician needs a good set of insulated screwdrivers. Messing around with a useless set of insulated screwdrivers is not only a bad idea from a safety perspective – but…
Best Lineman’s Pliers (2019 Review)
My hands were throbbing in pain. My linesman pliers could barely open wide enough to fit the wire I needed to slice. And even when they could – they struggled…
Best Electricians Tool Belts & Pouches (2019 Review)
A quality tool belt & bag gives you quick access to your tools without getting in the way. You want a tool belt that’s going to survive the hard yards…
What is a Transient Voltage Surge Suppressor (TVSS)?
A surge protector – also known as a surge suppressor, spike suppressor, transient voltage surge suppressor (TVSS), or surge diverter – is the name given to a broad group of…
Best Multimeters of 2019 Reviewed (Plus Budget Options Under $50)
A quality multimeter gives you the readings you need quickly and accurately. While a cheap, badly made multimeter will only give you inaccurate readings (and headaches). But not all cheap…
What is an Alarm Auto Dialer?
An alarm dialer (or alarm dialler) is an electronic device that automatically triggers an alarm when a predefined condition is met. This alarm is accompanied by a specific action –…
What is a Junction Box (Electrical Box)?
A junction box – also known as an ‘electrical box’, ‘jbox’, ‘or ‘terminal box’ – is a protective box where wires are interconnected. Junction boxes are found both indoors and…