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A light curtain. When a beam of infrared light is broken, a safety function is activated. A light curtain is a safety device that detects when a beam of infrared light has been broken by a person passing through an area.
The first rubber-insulated cables for US building wiring were introduced in 1922 with US patent 1458803, Burley, Harry & Rooney, Henry, "Insulated electric wire", issued 1923-06-12, assigned to Boston Insulated Wire and Cable . These were two or more solid copper electrical wires with rubber insulation, plus woven cotton cloth over each ...
Cable is very strong in tensile strength, with a breaking strength in excess of 1000 lbs for these types of uses, and is a suitable in-fill material for a railing ("guard" in ICC codes). Typical diameters are 1/8", 3/16" for residential and 3/16" and 1/4" for commercial applications. [ 5 ]
A light fixture (US English), light fitting (UK English), or luminaire is an electrical lighting device containing one or more light sources, such as lamps, and all the accessory components required for its operation to provide illumination to the environment. [1] All light fixtures have a fixture body and one or more lamps.
There may be a wire guard over the front of the shroud, to prevent touching the hot surface of the bulb. Ordinary household white incandescent bulbs can also be used as heat lamps , but red and blue bulbs are sold for use in brood lamps and reptile lamps. 250 watt heat lamps are commonly packaged in the "R40" (5" reflector lamp) form factor ...
Teams in need of a scoring guard are focused on LaVine, who averages 23.3 points and is shooting career-best percentages from the field (51.2%) and in 3-pointers (44.4%).
This type of "decorative" conduit is designed to provide an aesthetically acceptable passageway for wiring without hiding it inside or behind a wall. This is used where additional wiring is required, but where going through a wall would be difficult or require remodeling. The conduit has an open face with removable cover, secured to the surface ...
Packers HC Matt LaFleur doesn't sound happy with Lions security after pregame run-in with fan
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