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  2. Underfloor air distribution - Wikipedia

    en.wikipedia.org/wiki/Underfloor_air_distribution

    UFAD systems use an underfloor supply plenum located between the structural concrete slab and a raised floor system to supply conditioned air to supply outlets (usually floor diffusers), located at or near floor level within the occupied space. Air returns from the room at ceiling level or the maximum allowable height above the occupied zone. [1]

  3. Air handler - Wikipedia

    en.wikipedia.org/wiki/Air_handler

    Fan location (draw-through or blow-through) Direction of outlet air flow (front, up, or down) Package model (horizontal or vertical) But, the first method is very usual in HVAC market. In fact, most of the company advertise their products by air handling unit applications: Normal; Hygienic; Ceiling mounted

  4. Arc-fault circuit interrupter - Wikipedia

    en.wikipedia.org/wiki/Arc-fault_circuit_interrupter

    In 2002, the NEC removed the word "receptacle", leaving "outlets", with the effect that lights and other wired-in devices such as ceiling fans within bedrooms were added to the requirement. The 2005 code made it clearer that all outlets must be protected despite discussion in the code-making panel about excluding bedroom smoke detectors from ...

  5. NEMA connector - Wikipedia

    en.wikipedia.org/wiki/NEMA_connector

    NEMA 1-15P (two-pole, no ground) and NEMA 5-15P (two-pole with ground pin) plugs are used on common domestic electrical equipment, and NEMA 5-15R is the standard 15-ampere electric receptacle (outlet) found in the United States, and under relevant national standards, in Canada (CSA C22.2 No. 42 [1]), Mexico (NMX-J-163-ANCE) and Japan (JIS C 8303).

  6. Industrial fan - Wikipedia

    en.wikipedia.org/wiki/Industrial_fan

    Industrial Dampers - These devices also allow fan volumetric flow control during operation, by means of panels so as to direct gas flow or restrict the inlet or outlet areas. There is a variety of dampers available: Louvered Inlet Box Dampers Radial Inlet Dampers Variable Inlet Vane (VIV) Dampers Vortex Dampers Discharge Dampers

  7. Glossary of HVAC terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_HVAC_terms

    A packaged unit that controls both heating and air conditioning. An air handler typically refers to a unit that provides a fan to support either heating or cooling. radiant ceiling panels Usually metal panels suspended under the ceiling, insulated from the building structure.

  8. Scientists Find This Type of Exercise Cuts Heart Disease Risk ...

    www.aol.com/scientists-type-exercise-cuts-heart...

    A few short bursts of exercise throughout the day may reduce heart disease risk by 50%, according to new research. Women specifically showed the most pronounced effects of short bursts of activity ...

  9. List of Dyson products - Wikipedia

    en.wikipedia.org/wiki/List_of_Dyson_products

    Most of the Dyson fans and heaters are controlled by small infrared remote controls, which can be held magnetically on the appliance when not in use. A more-limited set of control switches is provided on the body of the appliance. The design for a "bladeless" fan had been patented by Toshiba in 1981, but was not marketed before the patent ...

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