telecommunication, a two-wire circuit is characterized by supporting transmission in two directions simultaneously, as opposed to four-wire circuits, which have...

In telecommunications, a four-wire circuit is a two-way circuit using two paths so arranged that the respective signals are transmitted in one direction...

construct electronic circuit boards. Electronic components mounted on an insulating board are interconnected by lengths of insulated wire run between their...

cylindrical ground conductor. Star-quad cable can be used for two circuits, such as four-wire telephony and other telecommunications applications, but it...

connected by conductive wires or traces through which electric current can flow. It is a type of electrical circuit. For a circuit to be referred to as electronic...

for design and installation. Allowable wire and cable types and sizes are specified according to the circuit operating voltage and electric current capability...

I2C (Inter-Integrated Circuit; pronounced as “eye-squared-see” or “eye-two-see”), alternatively known as I2C or IIC, is a synchronous, multi-controller/multi-target...

high efficiency. A three-wire three-phase circuit is usually more economical than an equivalent two-wire single-phase circuit at the same line-to-ground...

effectiveness with which a balancing network simulates the impedance of a two-wire circuit at a hybrid coil.  This article incorporates public domain material...

Wire bonding is a method of making interconnections between an integrated circuit (IC) or other semiconductor device and its packaging during semiconductor...

component designed to add inductance to a circuit is called an inductor. It typically consists of a coil or helix of wire. The term inductance was coined by...

receiving end the line side winding is the primary. When discussing a two-wire circuit primary and secondary cease to have any meaning at all, since signals...

interfaced to analog lines include hybrids that adapt the four-wire network to the two-wire circuits that connect most subscribers. The search for better telephone...

Kong. This design enables the use of smaller-diameter wire than would be used in a radial circuit of equivalent total current capacity. The reduced diameter...

Powerline. A single-circuit 138 kV line (top) with distribution wires (bottom) A double-circuit line Parallel single-circuit lines Four circuits on one tower...

layout diagram, a circuit diagram shows the actual electrical connections. A drawing meant to depict the physical arrangement of the wires and the components...

days of analog telephony. These circuits require end-to-end direct current (DC) continuity, and unless a dedicated wire pair was hardwired, their use ceased...

printed circuit board (PCB), also called printed wiring board (PWB), is a medium used to connect or "wire" components to one another in a circuit. It takes...

engineering, a node is any region on a circuit between two circuit elements. In circuit diagrams, connections are ideal wires with zero resistance, so a node...

American Wire Gauge (AWG) is a logarithmic stepped standardized wire gauge system used since 1857, predominantly in North America, for the diameters of...

the ring and tip wires, with tip near ground and ring at –48 V. In 1878, the Bell Telephone Company began to use two-wire circuits, called the local...

return, and two trolley poles, one contacting each overhead wire. (Pantographs are generally incompatible with parallel overhead lines.) The circuit is completed...

region. Neutral is a circuit conductor that normally completes the circuit back to the source. NEC states that the neutral and ground wires should be connected...

any wire, junction or lumped component is constant. Whenever the electric field between parts of the circuit is non-negligible, such as when two wires are...

In circuit theory, a supernode is a theoretical construct that can be used to solve a circuit. This is done by viewing a voltage source on a wire as a...

paths generally include analog audio connections, either a two-wire circuit or four-wire circuit plus signaling paths to indicate call progress and status...

component. Consider a very simple circuit consisting of four light bulbs and a 12-volt automotive battery. If a wire joins the battery to one bulb, to...

A circuit breaker is an electrical safety device designed to protect an electrical circuit from damage caused by current in excess of that which the equipment...

or to another circuit), and the device will open its contacts. Operation does not require a fault current to return through the earth wire in the installation;...

both the wire and the devices were developed to reduce the problems. Existing homes with this older aluminum wiring used in branch circuits present a...