How to Wire a Two-Way Switch: Complete Guide with Diagrams
Two-way switching lets you control one light from two locations — the classic staircase circuit. This guide explains exactly how two-way switch wiring works, the role of COM, L1, and L2 terminals, strapping wires, and how to simulate the full circuit in a free electrical circuit simulator.
Distribution Board Explained: How a Consumer Unit is Wired
The distribution board is the heart of every electrical installation. This guide explains what's inside a consumer unit, how it distributes power to every circuit in a building, and how to simulate a multi-circuit distribution board using a free electrical circuit simulator.
What is a Contactor and How Does It Work?
A contactor is an electrically controlled switch built for high-power loads. This guide explains how contactors work, where they're used, how they differ from relays and MCBs, and how to simulate a contactor circuit in a free electrical circuit simulator.