Strip: The classic terminal blocks in long strips that can be easily cut to the desired size. They feature screws for securing the wires and are ideal for general electrical work.
Quick Connect: Modern terminal blocks (Wago type) with special clips or springs. They allow immediate wire connection without tools or screwing, offering maximum speed and safety.
Line Tap: Conical, screw-type wire connectors with a plastic casing. They are twisted directly onto bare wires to join and insulate them simultaneously, and are mainly used in electrical junction boxes.
Porcelain: Clamps made of ceramic material. They are extremely resistant to very high temperatures and are used in devices that get very hot, such as ovens, water heaters, or floodlights.
Pluggable: Independent terminal blocks with two or three positions (usually for Phase, Neutral, Earth) used for the final connection of a device or light fixture to the power supply.
221: The most popular series. Suitable for all types of cables (flexible & rigid). Features a transparent body for easy visual inspection of the connection.
222: The traditional, robust series from Wago with orange levers. Suitable for all types of cables, with a slightly larger size than the 221.
773 / 2273: Leverless design, ideal for narrow junction boxes. Suitable exclusively for solid (hard/single-core) wall cables.