A terminal block is an electrical connector used to securely join and organize multiple wires within an electrical or electronic system. It provides a safe and reliable way to connect, disconnect, or distribute electrical signals and power without soldering.

Terminal blocks typically consist of an insulating housing with metal terminals inside, where wires are clamped in place using screws, spring clamps, or push-in mechanisms. This design ensures strong electrical contact while keeping connections neat and easy to maintain.

They are widely used in control panels, power supplies, industrial equipment, building wiring, and electronic assemblies, where clear, structured wiring is important. In simple terms, a terminal block is a convenient connector that holds wires securely and makes electrical connections easy to manage and service.

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