Speedwire
Encyclopedia
Speedwire is a solderless prototyping system manufactured by BICC
British Insulated Callender's Cables
British Insulated Callender's Cables was a 20th century British cable manufacturer and construction company, now renamed after former subsidiary Balfour Beatty.-History:...

-Vero
Vero
Vero may refer to:* Véro, a 2005-2006 talk show on the Radio-Canada television network* Vero Beach, Florida* Vero, Corse-du-Sud, a commune of France in Corsica* Vero cell* Vero Software Plc* Vero in Aragon, Spain...

 for constructing electronic circuit boards. The system is based on a circuit board pre-drilled with holes in a regular 0.1-inch (2.54 mm) square grid. The boards are available in standard sizes such as Eurocard
Eurocard
Eurocard is a European standard format for PCB cards, which can be plugged together into a standardized subrack. The subrack consists of a series of slotted card guides on the top and bottom, into which the cards are slid so they stand on end, like books on a shelf...

 modules. Some of the holes are through-plated and interconnected with copper strips to form power and ground rails.

Special terminals are provided, which are inserted, using a special tool, into the holes in the prototyping board where components are to be fitted. Some boards are also available pre-populated with terminals. Each terminal is a metal tube with a component socket at one end and an insulation-displacement
Insulation-displacement connector
An Insulation-displacement connector, insulation-displacement technology/termination or insulation-piercing connector is an electrical connector designed to be connected to the conductor of an insulated wire or cable by a connection process which forces a selectively sharpened blade or blades...

 fork at the other. The component socket accepts a wire lead, such as the lead of a resistor
Resistor
A linear resistor is a linear, passive two-terminal electrical component that implements electrical resistance as a circuit element.The current through a resistor is in direct proportion to the voltage across the resistor's terminals. Thus, the ratio of the voltage applied across a resistor's...

 or capacitor
Capacitor
A capacitor is a passive two-terminal electrical component used to store energy in an electric field. The forms of practical capacitors vary widely, but all contain at least two electrical conductors separated by a dielectric ; for example, one common construction consists of metal foils separated...

, or the leg of a 0.1-inch-pitch DIL package. The insulation-displacement fork accepts an insulated wire specially manufactured for the Speedwire system. The wire is pressed between the forks using a special tool. The forks cut through the insulation and grip the wire, making a gas-tight contact. The wire can then be cut off, or continued to another terminal. Wires can be pulled out of terminals and re-routed.
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