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 Knowledges 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 (including multimeters, insulation resistance testers, electrical circuit tracers, and tone generator and probe kits)
- Electrical Wiring
- Fundamentals of Electrical Circuits
- Electrical Symbols & Terminology
- Electrical Components and Equipment (including junction boxes and feeder pillars)
- Electrical Formulas & Theory
- Power Electronics
Wed love to hear from you no question is too basic. Please contact us if you would like to contribute or request a specific topic.
Best Tools For Electricians: Top 10 of 2020
Today Im going to show you the best tools used by electricians around the world. These tools are a must-have for electricians who dont want to waste their time and…
Best Coaxial Cable For Internet & HDTV: Top 7 of 2020
Messing around with faulty hardware is a HUGE headache. Yes a high-quality coaxial cable will be slightly more pricey but what about all that money you saved on panadol?…
Best Whole House Surge Protector: Top 7 of 2020
A good whole house surge protector will automatically reduce the damage of an electrical surge. An easy to install system, a high surge capacity, and multiple modes of protection. These…
Best Step Drill Bit: Top 6 Unibits of 2020
It doesnt matter if youre drilling wood, concrete, or plastic walls, working with a poorly designed drill bit is a little slice of hell. The best step drill bits can…
Best Soldering Iron For Electronics: Top 7 of 2020
Trying to solder electronics with poor temperature control is a special kind of torture. The best soldering irons have excellent temperature stability, an ergonomic heat-resistant grip, a wide temperature operating…
Best GFCI Outlet: Top 5 of 2020 (Outdoor & Indoor)
A good GFCI Outlet will help keep your home and outdoor area safe from any electrical nasties. No one has loved you quite like your refrigerator has. If theres one…
Best Cheap Oscilloscope: Top 5 of 2020
Tired of wasting money on oscilloscopes that take up space and collect dust in your room? Fortunately, we have the solution for that. There are many high-quality cheap oscilloscopes on…
Best Wedding Ring for Electricians: Top 5 of 2020
Working as an electrician can be hard on your hands, but it shouldn’t be hard on your heart. Finding that special person that puts an extra spark in your life…
Best Label Maker for Electricians: Top 6 of 2020
A good label maker can save you a lot of time when keeping track of bundles of wires and other small objects youre working with. The best label makers print…
Best Diagonal Cutters: Top 8 of 2020
A good pair of diagonal cutters (also known as wire cutters) can slice through nails, screws and piano wire like soft butter. On the other hand, a poor-quality set of…
Best Multimeter Test Leads: Top 8 of 2020
Theres no point spending a bunch of money on a good multimeter and then connecting it to a dodgy set of test leads. Poorly-made multimeter test leads can be anything…
Best Insulation Resistance Tester: Top 8 of 2020
Faulty insulation is extremely hazardous to both electricians and people nearby. Using an accurate insulation resistance tester is essential to ensuring that your insulation is performing as required. A good…
Best Cordless Hammer Drill: Top 6 of 2020
Your typical power drill works fine when working with softer surfaces like wood but if youre working with concrete or other hard materials, then youre going to need a…
Best Mobile Tool Box: Top 10 of 2020
Tools can be a huge investment, and youll want to take every measure to ensure that they remain safe and undamaged. Its crucial that you have a safe and convenient…
Best Tape Measure for Electricians: Top 8 of 2020
Weve all had to work with a bad tape measure before: a weak blade full of dirt, a tang that couldnt hook onto a magnet, and a pull length that…
Best Face Shield: The Top 8 Picks of 2020
If youre doing a hazardous job, then youll want to make sure your face is well-protected. A face shield is the best way to get full-face protection without sacrificing visibility….
Best Work Pants for Electricians: Top 9 Picks of 2020
Whats worse than a long day of work out in the sun? The same day of work in a set of sweaty, uncomfortable pants. No thanks. A good set of…
Best Clamp Meter: Our Top 10 Picks of 2020
A clamp meter is a versatile tool that combines a basic digital multimeter with a current sensor. A good clamp meter will give you accurate voltage and current measurements, can…
Safety Glasses: Types, Regulations & Accessories
What are Safety Glasses? Safety glasses are a ruggedized set of glasses that protect your eyes against flying debris or other contaminants (such as chemicals). Safety glasses typically use a…
Types of Screwdrivers: The Complete Guide
What is a Screwdriver A screwdriver is a tool that allows you to amplify the turning motion of your hands. Its main function is to make the process of removing…
What is a Feeder Pillar (Power Box)?
A feeder pillar (also known as a power box or feeder pillar box) is a cabinet used to house electrical equipment. Feeder pillars act as a central circuit which controls…
Best Lineman Boots: Our Top 11 Picks of 2020
As a Lineman, youll need a solid pair of work boots that can survive a rough week on the job. There are thousands of lineman boots on the market, so…
Best Electrical Gloves: Our Top 10 Picks of 2020
If you want to keep your hands comfortable while you work, youre going to need a quality set of electrical gloves. The best electrical gloves will be comfortable, lightweight, and…
Best Tone Generator And Probe Kit: Top 7 of 2020 Reviewed
A good tone generator and probe kit makes it simple to trace wires and identify unlabelled cables. The best tone generators produce a clear, audible tone over a long distance…
Best Electrical Circuit Tracer: Top 11 of 2020 Reviewed
Finding cables, wires and breakers can sometimes feel like a long (and frustrating) game of hide and seek. It is frequently done by trial and error, which is extremely time…
Best Electricians Tool Backpack: Our Top 10 Picks of 2020
When youre carrying a lot of heavy tools, having a good backpack can make work a lot easier. The best electricians backpack should be comfortable, have lots of pockets and…
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Fish tape (also known as electrical fish tape, draw wire, draw tape, or pull tape) is an electricians tool used to pull wire through walls or electrical conduit. Fish tape…
Best Electrical Fish Tape (Top 6 of 2020 Reviewed)
The best fish tape should be strong, easy to slide in and out, easy to carry, and have an impact resistant case. These are the main criteria we looked at…
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Non-contact voltage testers (also known as voltage tester pens, test pens, or voltage sensors) are the safest way to detect the presence of AC voltage. Non contact voltage testers work…
Best Non Contact Voltage Tester: Top 7 Voltage Pens of 2020
Using a bad voltage tester is an excellent way to get an electric shock (read: not a good idea). A good non contact voltage tester will not only save you…
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While doing any kind of DIY electrical work, youll frequently find that you need to strip the insulation off of the wire youre working with. Clean and accurate wire stripping…
What is a Lineman (And How Much Do They Make)?
A lineman (also known as a lineworker) is a person who installs and repairs cables or wires used in electrical power or distribution systems. This may include installation and maintenance…
How To Use And Read A Multimeter
What is a Multimeter? A multimeter, also known as a multitester or VOM (Volt-Ohm-Milliammeter), is an electronic measuring instrument used to measure various electrical parameters. Multitesters are a standard diagnostic…
Best Safety Glasses: Top 7 Picks of 2020
Picking the right set of safety glasses is crucial for proper eye protection. The vast majority of work accidents can be prevented through the proper use of protective equipment, and…
What is Deburring?
Deburring is defined as a process of removing burrs and smoothing out the edges of the metal. It enhances the quality, boosts aesthetic value, and prevents distortion. Put simply, deburring…
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Burrs are annoying. No matter how hard you strive for the perfect smooth edge a burr here or there is bound to appear. Thats fine. But whats not okay,…
Best Headlamp for Work (2020 Review)
If you usually work in wall cavities or other areas where there isnt much light, then a headlamp (also known as a head torch) can come in handy. A well-made…
Best Wirestrippers: Top 8 Picks of 2020
Trying to use a pair of poorly-made wire strippers is a special kind of torture. Badly made wire strippers are a source of constant headaches. Having to constantly re-strip wire…
Best Insulated Screwdriver Set: Electricians Top 10 of 2020
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 Linesman Pliers For Electricians (Our Top 8 Picks of 2020)
My hands were throbbing in pain. My linesman pliers could barely open wide enough to fit the electrical wire I needed to slice. And even when they could they…
Best Electricians Tool Belt (Our Top Picks of 2020)
A quality tool belt & bag gives you quick access to your tools without getting in the way. You want a tool belt thats 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 For Electricians (Top 11 of 2020 Reviewed)
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…