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Faraday cage. A Faraday cage or Faraday shield is an enclosure used to block some electromagnetic fields. A Faraday shield may be formed by a continuous covering of conductive material, or in the case of a Faraday cage, by a mesh of such materials. Faraday cages are named after scientist Michael Faraday, who first constructed one in 1836.
Weatherhead. A weatherhead, also called a weathercap, service head, service entrance cap, or gooseneck (slang) is a weatherproof service drop entry point where overhead power or telephone wires enter a building, or where wires transition between overhead and underground cables. At a building the wires enter a conduit, a protective metal pipe ...
NEMA enclosure types. The National Electrical Manufacturers Association (NEMA) defines standards used in North America for various grades of electrical enclosures typically used in industrial applications. Each is rated to protect against personal access to hazardous parts, and additional type-dependent designated environmental conditions.
A backfire is a more aggressive type of burning done to influence the behavior of the main fire. In forest and prairie management, the driptorch is the most common tool used to ignite prescribed burns, which are used to remove excess fuel buildup or to re-create natural cycles of fire in an ecosystem. Other tools which can also be used for this ...
Colorado authorities are conducting a homicide investigation after a dog breeder was found dead Saturday and as many as 10 puppies were missing from his Clear Creek County property, according to ...
Boats. A small boat stuffing box comprising an adjusting nut, a locking nut and a sleeve. On a boat having an inboard motor that turns a shaft attached to an external propeller, the shaft passes through a stuffing box, also called a "packing box" or "stern gland" in this application. The stuffing box prevents water from entering the boat's hull.
Hoffmann kiln. The Hoffmann kiln is a series of batch process kilns. Hoffmann kilns are the most common kiln used in production of bricks and some other ceramic products. Patented by German Friedrich Hoffmann for brickmaking in 1858, it was later used for lime -burning, and was known as the Hoffmann continuous kiln.
The Dutch subsidiary was inaugurated in 1970 in the north of the Netherlands, in Drachten. In 1999, Eldon AB was sold to EQT AB and in 2006, the new management team acquired the majority shareholding from EQT. In July 2019, Eldon Enclosures was acquired by nVent Electric plc for $130 million in cash, [1][2] and renamed to nVent Hoffman.