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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. Note that higher numbers do not include the lower-numbered tests. For example, types 3, 4 and 6 are intended for outdoor ...

3. 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].

4. Building envelope - Wikipedia

   en.wikipedia.org/wiki/Building_envelope

   The building envelope or enclosure is all of the elements of the outer shell that maintain a dry, heated, or cooled indoor environment and facilitate its climate control. Building envelope design is a specialized area of architectural and engineering practice that draws from all areas of building science and indoor climate control.

5. Electrical enclosure - Wikipedia

   en.wikipedia.org/wiki/Electrical_enclosure

   Electrical enclosures are usually made from rigid plastics, or metals such as steel, stainless steel, or aluminum. Steel cabinets may be painted or galvanized. Mass-produced equipment will generally have a customized enclosure, but standardized enclosures are made for custom-built or small production runs of equipment.

6. Air handler - Wikipedia

   en.wikipedia.org/wiki/Air_handler

   For outdoor units some form of weatherproof lid and additional sealing around joints is provided. [2] Larger air handlers will be manufactured from a square section steel framing system with double skinned and insulated infill panels. Such constructions reduce heat loss or heat gain from the air handler, as well as providing acoustic ...

7. Cyber Monday deals are live at Amazon: We're tracking the ...

   www.aol.com/lifestyle/cyber-monday-deals-are...

   Cyber Monday deals have started. We've been tracking major savings for the past week, and while Black Friday saw record-low prices, Cyber Monday deals look like they're dipping even further.