Plenum definition

Plenum means an air compartment which is part of an air-distributing system, to which one (1) or more ducts are connected.
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Plenum means an air compartment that is part of an air-distribution system to which one or more ducts or outlets are connected.
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Plenum means an air compartment to improve distribution of air through rock beds, air coils, distribution ducts, etc. “Potable water” means water meeting the requirements of the public health service drinking water standards or the regulations
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Examples of Plenum in a sentence

  • Plenum Space: Indicate subframing for support of ceiling and wall systems, mechanical and electrical equipment, and related Work.

  • SPECIFICATIONSOperating Temperature: -30 to 140° FHumidity Range: 5 to 95% (noncondensing)Circuit Breaker: 4 Amp Max.Dimensions: 4.000˝ x 4.000˝ x 1.800˝Approvals: UL Listed, UL916, C-UL, CE, RoHSHousing Rating: UL Accepted for Use in Plenum, NEMA 1Terminals: Ground “G˝ and Neutral “N˝ pass from INPUT to OUTPUT uninterrupted.OUTPUT Hot “H˝ is controlled by the switch/breaker.

  • Comply with requirements in "Duct Insulation Schedule, General," "Indoor Duct and Plenum Insulation Schedule," and "Aboveground, Outdoor Duct and Plenum Insulation Schedule" articles for where insulating materials shall be applied.

  • Plenum Space: Indicate sub-framing for support of ceiling and wall systems, mechanical and electrical equipment, and related Work.

  • Bushings must be rated to be used in an environmental air handling space (Plenum).

  • Plenum Rating: Provide glass-fiber insulation where indicated in ceiling plenums whose test performance is rated as follows for use in plenums as determined by testing identical products per "Erosion Test" and "Mold Growth and Humidity Test" described in UL 181, or on comparable tests from another standard acceptable to authorities having jurisdiction.

  • Gas Piping in Plenum Spaces - Shall be welded schedule 40 black steel pipe with 150-psi weld fittings.

  • Plenum closure (by others): Design of plenum closure must permit lifting out of header panels to adjust track height.

  • Plenum Fan Housings: Steel frame and panel; fabricated without fan scroll and volute housing.

  • Fourth Plenum Decision).governance.P30F 31P Viewed in this way, ongoing legal popularisation campaignsP31F 32P (or legal propaganda) that seek to increase legal consciousness and law-abiding behaviour do not aim to strengthen individual rights consciousness, which can be used against the party- state.


More Definitions of Plenum

Plenum means an air compartment or chamber to which 1 or more ducts are connected and which forms part of an air distribution system.
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Plenum means an air compartment connected to a duct or ducts.
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Related to Plenum

  • Diameter means the diameter of the stem of a tree measured outside the bark at a specified point of measurement.

  • Duplex means a building comprising, by horizontal division, two dwelling units, each of which has a separate entrance to grade;

  • Side Yard means a yard extending from the front yard to the rear yard between the side boundary of the parcel and the wall of main building thereon [see sketch in Schedule B];

  • Riser means a watertight vertical cylinder and lid allowing access to an OWTS component for inspection, cleaning, maintenance, or sampling.

  • kVA means kilovolt-ampere or kilovolt-amperes;

  • fire hydrant means a fire plug or fixed pillar fire hydrant;

  • PAD means a Preauthorized Debit.

  • Skateboard means a board with small wheels that is usually ridden by a person. For purposes of these rules, a nonmotorized scooter (a board with a handle) is considered a skateboard.

  • HDPE means high density polyethylene;

  • Rear Yard means a yard extending across the full width of a parcel measured perpendicularly from the rear wall(s) of the main building situated on the parcel to the rear property boundary of the parcel [see sketch in Schedule B];

  • SQM means the specialist quality mark standard specified by us as at the Contract Start Date as amended by us provided that had the SQM been a Contract Document such amendments would not have been prohibited by Clause 13.1;

  • Duct is a single enclosed path to house facilities to provide Telecommunications Services.

  • Dike means an embankment or ridge of either natural or man-made materials used to prevent the movement of liquids, sludges, solids, or other materials.

  • NACE means National Association of Corrosion Engineers

  • Sump means any pit or reservoir that meets the definition of tank and those troughs/trenches connected to it that serve to collect hazardous waste for transport to hazardous waste storage, treatment, or disposal facilities; except that as used in the landfill, surface impoundment, and waste pile rules, “sump” means any lined pit or reservoir that serves to collect liquids drained from a leachate collection and removal system or leak detection system for subsequent removal from the system.

  • Deck means a walkway immediately adjacent to a swimming pool.

  • apron means a defined area intended to accommodate aircraft for purposes of loading or unloading passengers, mail or cargo, fuelling, parking or maintenance;

  • PNode has the meaning set forth in the CAISO Tariff.

  • MDF means a Qwest distribution frame (e.g., COSMIC™ frame) used to connect Qwest cable pairs and line and trunk equipment terminals on a Qwest switching system. "Maintenance and Repair" involves the exchange of information between Carriers where one initiates a request for maintenance or repair of existing products and services or Unbundled Network Elements or combinations thereof from the other with attendant acknowledgments and status reports in order to ensure proper operation and functionality of facilities. "Maintenance of Service charge" is a Miscellaneous Charge that relates to trouble isolation work performed by Qwest. Basic Maintenance of Service charges apply when the Qwest technician performs work during standard business hours. Overtime Maintenance of Service charges apply when the Qwest technician performs work on a business day, but outside standard business hours, or on a Saturday. Premium Maintenance of Service charges apply when the Qwest technician performs work on either a Sunday or Qwest recognized holiday.

  • Runoff coefficient means the fraction of total rainfall that will appear at the conveyance as runoff.

  • Cesspool means an unlined or partially lined underground pit or underground perforated receptacle into which raw household wastewater is discharged and from which the liquid seeps into the surrounding soil. Cesspool does not include a septic tank.

  • Bulkhead means an airtight structure separating the working chamber from free air or from another chamber under a lower pressure than the working pressure;

  • Basement means any area of the building having its floor subgrade (below ground level) on all sides.

  • Freeboard means a factor of safety usually expressed in feet above a flood level for purposes of floodplain management. "Freeboard" tends to compensate for the many unknown factors that could contribute to flood heights greater than the height calculated for a selected size flood and floodway conditions, such as wave action, blockage of bridge or culvert openings, and the hydrological effect of urbanization of the watershed.

  • Pile means any non-containerized accumulation of solid, nonflowing hazardous waste that is used for treatment or storage and that is not a containment building.

  • Uppermost aquifer means the geologic formation nearest the natural ground surface that is an aquifer, as well as lower aquifers that are hydraulically interconnected with this aquifer within the facility's property boundary.