What is a fuse? in this video we learn the basics of fuses, how they work and why they are used.

How to test a battery. Learn how to test a battery. How to use a multimeter to test a battery. What happens to the battery voltage under load. How to tell if the battery needs replacing.

How to wire a single pole light switch, in this video we look at how a single pole light switch works and the different ways to wire a light circuit. This is the most basic light circuit using just a single pole light switch.

How to design a simple LED circuit. Which resistor to use, How to calculate the resistor.

Learn how RTD Resistance Temperature Detector sensors work in this video on RTD sensors basics.

Multi-LED circuit. How to design a circuit which uses multiple LED's or multi-colored LED's. We learn the basics in this video with full calculations to design electronic circuits.

How do main electrical panels work. Learn the main parts of electrical panel, load center, service panel in this video.

How to use a resistor, this quick tutorial will show you how to use a parallel and series resistor to get the resistance required for your circuit as well as how to read a resistor value.

How to test a car battery. Learn how to test a car battery. How to use a multimeter to test a car battery 12V. Starter motor and alternator. What happens to the battery voltage during car starting, running and charging. How to tell if...

How Receptacles Work. In this video we look at how receptacles work, the different parts, how to wire a receptacle, how to control a switched receptacle, split circuit receptacles as well as how the ground wire works.

How inverters work. In this video we take a look at how an inverter works to convert direct current (DC) into Alternating current (AC). Inverters are used increasingly throughout industry as well as building services HVAC systems to...

Ground wire explained. What is the purpose of the ground wire, what does it connect to, when is it used, why is it used.

What is a ground rod used for? what does it connect to. Find out in this video.

Ground neutral and hot wires explained. In this video we look at the difference and purpose of the ground wire, the hot wire and the neutral wire in a north american residential electrical system. We look at ground faults, GFCI, current,...

In this video, we're going to go over the basics of GFCI breakers and how to use them. By the end of this video, you'll be able to understand how to use a GFCI breaker and when to use it.

Electrical Motor Connections. How electric motors work, electrical motor connections explained, star delta wye electrical connections on three phase motors. 3ph motor. Learn how they work and why they are used from the basics....

Conventional current and electron flow. In this video we briefly learn the difference between conventional current and electron flow. We learn how the electron was discovered and why battery terminals are positive and negative. What is...

Circulating pump and heating pumps explained. In this video we look at circulating pumps used in hot water and heating systems to understand the main parts as well as how they work. We cover applications of circulating pumps, why they're...

Learn how AC voltage varies with AC since wave and how to calculate the Vrms root mean squared, vmax, peak voltage, the frequency and voltage of different countries.

Electrical generator basics. Learn the basic operation of an electrical generator, learn how magnets are used to generate electricity in a coil of wire. We then cover 3 phase three phase electricity and briefly the star configuration in...

How 120V / 240V electricity is distributed from the power station and to your property. We look at how it is connected to power domestic appliances as well as the main components such as the electricity meter, main service panel, main...

Learn to build a simple electric motor as well as how the motor works. We cover the rotor, shaft, commutator, stator and magnets to learn how an electric motor works.

How long will a battery power a circuit? Learn how to estimate battery life in this video.

How to wire 3 way light switch, in this video we explain how three way switching works to connect a light fitting which is controlled with two light switches. We look at the US color coding wires and explain the different ways to connect...