When.com Web Search

  1. Ad

    related to: 18x18x6 pvc pull box

Search results

  1. Results From The WOW.Com Content Network
  2. NEMA enclosure types - Wikipedia

    en.wikipedia.org/wiki/NEMA_enclosure_types

    Below is a list of NEMA enclosure types; these types are further defined in NEMA 250- Enclosures for Electrical Equipment. Each type specifies characteristics of an enclosure, but not, for example, a specific enclosure size.

  3. Fire alarm call box - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_call_box

    A fire alarm box, fire alarm call box, or fire alarm pull box is a device used for notifying a fire department of a fire or a fire alarm activation. Typically installed on street corners or on the outside of commercial buildings in urban areas, they were the main means of summoning firefighters before the general availability of telephones.

  4. Manual fire alarm activation - Wikipedia

    en.wikipedia.org/wiki/Manual_fire_alarm_activation

    Many modern fire alarm pull stations are single-action and only require the user to pull down a handle to sound the alarm. Other fire alarm pull stations are dual-action, and as such require the user to perform a second task before pulling down, such as lifting or pushing in a panel on the station or breaking a glass panel with an attached hammer.

  5. Junction box - Wikipedia

    en.wikipedia.org/wiki/Junction_box

    A small metal, plastic or fiberglass junction box may form part of an electrical conduit or thermoplastic-sheathed cable (TPS) wiring system in a building. If designed for surface mounting, it is used mostly in ceilings, concrete or concealed behind an access panel—particularly in domestic or commercial buildings [2].

  6. Electrical conduit - Wikipedia

    en.wikipedia.org/wiki/Electrical_conduit

    Box connectors join conduit to a junction box or other electrical box. A typical box connector is inserted into a knockout in a junction box, with the threaded end then being secured with a ring (called a lock nut ) from within the box, as a bolt would be secured by a nut.

  7. Splicebox - Wikipedia

    en.wikipedia.org/wiki/Splicebox

    Splicebox with different plugs Splicebox with interior splice cassette. A splice box (also known as splice distributor) is a housing in which fiber optic cables begin or end.

  8. Box gutter - Wikipedia

    en.wikipedia.org/wiki/Box_gutter

    A box gutter, internal gutter, parallel gutter, or trough gutter is a rain gutter on a roof usually rectangular in shape; it may be lined with EPDM rubber, metal, asphalt, or roofing felt, and may be concealed behind a parapet or the eaves, or in a roof valley.

  9. Pull-tab - Wikipedia

    en.wikipedia.org/wiki/Pull-tab

    A pull-tab lotto ticket. A pull-tab is a gambling ticket for a pull-tab game. Other names for the game include Break-Opens, Nevada Tickets, Cherry Bells, Lucky 7s, Pickle Cards, Pickle Tickets, Instant Bingo, Bowl Games, or Popp-Opens. [1] Physical pull-tab tickets are multi-layered paper tickets containing symbols hidden behind perforated tabs.