• circuit is an electrical wiring technique in which sockets and the distribution point are connected in a ring. It is contrasted with the usual radial...
    15 KB (1,941 words) - 14:14, 23 February 2025
  • electricity supply design, a radial circuit is a fundamental and commonplace electrical wiring circuit arrangement in which a circuit from a distribution board...
    1 KB (111 words) - 19:07, 10 June 2025
  • Thumbnail for Earth-leakage circuit breaker
    An earth-leakage circuit breaker (ELCB) is a safety device used in electrical installations to prevent shock. It consists of either a current sensing...
    10 KB (1,484 words) - 07:14, 3 June 2025
  • Thumbnail for Circuit breaker
    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...
    41 KB (5,016 words) - 23:31, 25 May 2025
  • Thumbnail for Residual-current device
    circuit breaker (RCCB) or ground fault circuit interrupter (GFCI) is an electrical safety device, more specifically a form of Earth-leakage circuit breaker...
    54 KB (7,579 words) - 19:30, 27 June 2025
  • solid/fixed or stranded/flexible, intended use, protective materials), circuit design (ring, radial), and so on. Electrical wiring is ultimately regulated to ensure...
    72 KB (9,317 words) - 05:48, 26 June 2025
  • Thumbnail for Arc-fault circuit interrupter
    An arc-fault circuit interrupter (AFCI) or arc-fault detection device (AFDD) is a circuit breaker that breaks the circuit when it detects the electric...
    18 KB (2,355 words) - 16:39, 15 March 2025
  • electrical power feed into subsidiary circuits while providing a protective fuse or circuit breaker for each circuit in a common enclosure. Normally, a main...
    23 KB (3,347 words) - 19:29, 10 April 2025
  • Thumbnail for Feeder line (network)
    feeder line is part of an electric distribution network, usually a radial circuit of intermediate voltage. The concept of feeder lines is important in...
    3 KB (354 words) - 17:24, 1 June 2024
  • (electrical). Junction boxes form an integral part of a circuit protection system where circuit integrity has to be provided, as for emergency lighting...
    4 KB (394 words) - 05:41, 31 March 2025
  • rules for installations (voltages, connections, markings, etc.), circuits and circuit protection, methods and materials for wiring (wiring devices, conductors...
    22 KB (2,948 words) - 00:22, 1 June 2025
  • Thumbnail for Knob-and-tube wiring
    compared with use of power cables, which combined both power conductors of a circuit in one run (and which later included grounding conductors). At present...
    19 KB (2,475 words) - 08:12, 23 June 2025
  • connect the load to either or both main conductors, and a fusible switch or circuit breaker and switch that feed a distribution transformer. The metal enclosed...
    2 KB (279 words) - 02:31, 17 March 2024
  • Thumbnail for Disconnector
    switching device with visible contacts, used to ensure that an electrical circuit is completely de-energized for service or maintenance. They are often found...
    5 KB (596 words) - 08:41, 1 April 2025
  • chapter of this section, i.e. 551 Low-voltage generating sets, 557 Auxiliary circuits, 559 Luminaires and lighting installations) Section 56: Safety services...
    5 KB (508 words) - 13:29, 28 March 2025
  • Thumbnail for Bus duct
    Busway Used in Industrial and Commercial Power Systems IEEE Busway Short Circuit Testing Procedures IEEE Mathematical model of high voltage sandwich bus...
    6 KB (602 words) - 17:12, 4 September 2024
  • Thumbnail for Through-hole technology
    leads on the components are inserted through holes drilled in printed circuit boards (PCB) and soldered to pads on the opposite side, either by manual...
    10 KB (951 words) - 17:28, 15 February 2024
  • Article 404, the circuit neutral conductor is required to be present in every box containing a switch that controls the light circuit. A circuit neutral is...
    13 KB (1,564 words) - 01:35, 29 April 2025
  • Thumbnail for Low-voltage network
    high-quality power. The most common distribution system consists of simple radial circuits (feeders) that can be overhead, underground, or a combination. From...
    12 KB (1,434 words) - 00:31, 30 May 2024
  • receptacle circuits in North American systems are typically radial from a distribution panel containing circuit breakers to protect each branch circuit. The...
    27 KB (3,608 words) - 02:07, 9 June 2025
  • Thumbnail for Fuse (electrical)
    after a fuse operation. Fuses designed for soldering to a printed circuit board have radial or axial wire leads. Surface mount fuses have solder pads instead...
    38 KB (5,136 words) - 11:15, 12 June 2025
  • armouring is normally connected to earth and can sometimes be used as the circuit protective conductor ("earth wire") for the equipment supplied by cable...
    7 KB (968 words) - 11:11, 11 January 2024
  • Thumbnail for Electrical wiring
    Allowable wire and cable types and sizes are specified according to the circuit operating voltage and electric current capability, with further restrictions...
    32 KB (4,011 words) - 10:03, 23 May 2025
  • Thumbnail for AC power plugs and sockets: British and related types
    contrasts with the radial circuit system (which is also used in the UK, often in the same installation) wherein a single cable runs out radially, like a spoke...
    88 KB (11,326 words) - 16:23, 16 June 2025
  • Thumbnail for Stub (electronics)
    not at a well-defined point. Radial stubs overcome this difficulty by narrowing to a point at the junction. Filter circuits using stubs often use them in...
    11 KB (1,567 words) - 00:22, 31 October 2023
  • Thumbnail for Switch
    component that can disconnect or connect the conducting path in an electrical circuit, interrupting the electric current or diverting it from one conductor to...
    36 KB (4,129 words) - 04:08, 17 June 2025
  • use the Earth as one conductor of a circuit, saving the cost of installation of a return wire over a long circuit. Radio antennas may require particular...
    41 KB (5,262 words) - 00:51, 4 April 2025
  • Thumbnail for Cable tray
    their contribution to the collapse of a firewall. Passive fire protection Circuit integrity Intumescent Endothermic Conduit (electrical) NEC, 2017, ISBN 978-1455912797...
    8 KB (1,051 words) - 11:19, 24 May 2024
  • Thumbnail for Mineral-insulated copper-clad cable
    cables are used in critical fire protection applications such as alarm circuits, fire pumps, and smoke control systems. In process industries handling...
    15 KB (1,805 words) - 19:53, 23 November 2024
  • Thumbnail for AC power plugs and sockets
    to an AC electrical circuit. Inserting ("plugging in") the plug into the socket allows the device to draw power from this circuit. Plugs and wall-mounted...
    120 KB (13,783 words) - 19:20, 3 June 2025