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TerminalBlocks.ca - What is it?


What is a Terminal Block ?

A terminal is a simple type of electrical connector that connects two or more wires to a single connection point.
Terminal Blocks provide a convenient means of connecting individual electrical wires. They are usually used to connect wiring among various items of equipment within an enclosure or to make connections among individually enclosed items. Since terminal blocks are readily available for a wide range of wire sizes and terminal quantity, they are one of the most flexible types of electrical connector available.

Some disadvantages of older type terminal blocks are that connecting wires is more difficult than simply plugging in a cable and the older terminals are generally not very well protected from contact with persons or foreign conducting materials. One type of terminal block accepts wires that are prepared only by removing (stripping) a short length of insulation from the end. Another type accepts wires that have ring or spade terminal lugs crimped onto the wires. Printed circuit board (PCB) mounted terminal blocks allow individual wires to be connected to the circuit board.