A few weeks ago, I wrote about fixing the VDO windshield washer pump in a vintage European car. As part of that, I quickly stepped through troubleshooting the system to reach the point where I ...

For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights in most houses and flats are part of a circuit controlled by the consumer unit, ...

An electrical component is a basic part in a circuit that uses electricity to make something happen. For example a bulb uses electricity to make light. They are designed to perform specific functions ...