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A photoswitch is a type of molecule that can change its structural geometry and chemical properties upon irradiation with electromagnetic radiation.Although often used interchangeably with the term molecular machine, a switch does not perform work upon a change in its shape whereas a machine does. [1]
Pentair plc (PNR) is an American water treatment company incorporated in Ireland with tax residency in UK, with its main U.S. office in Golden Valley, Minnesota. [6] Pentair was founded in the US, with 65% of company's revenue coming from the US and Canada as of 2017.
Wireless light switches eliminate the wire from the light to the switch location. This is useful in remodelling situations where new wiring can be a hassle. Rather than tearing down a wall to gain access to the wires, a wireless switch can be used. This avoids any need to access wires and makes remodelling fast and simple.
Two light switches in one box. The switch on the right is a dimmer switch. The switch box is covered by a decorative plate. The first light switch employing "quick-break technology" was invented by John Henry Holmes in 1884 in the Shieldfield district of Newcastle upon Tyne. [1]
In contrast to a simple light switch, which is a single pole, single throw (SPST) switch, multiway switching uses switches with one or more additional contacts and two or more wires are run between the switches. When the load is controlled from only two points, single pole, double throw (SPDT) switches are used.
Lisa Hamilton Daly, who joined Hallmark Media in 2021, is out. On Monday morning, the company announced that her position as EVP of programming had been eliminated. “Hallmark is aligning its ...
U.S. President-elect Donald Trump says he wants to make Greenland a part of the United States, renewing an interest first expressed in 2019 when he offered to buy the sprawling Arctic island from ...
A company switch is a basic electrical switch design. [1] They are used for power distribution systems in theaters, arenas, convention centers, that often require panel boards for electrical equipment. [1] Company switches are designed to be easy to use, easily portable, safe and fast. [2] [3]