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Franklin Electric was founded in 1944 in Bluffton, Indiana, USA [3] by E.J. (Ed) Schaefer and T.W. (Wayne) Kehoe. They named the company Franklin Electric in honor of Benjamin Franklin, [4] whom they considered the country's first electrical engineer. The company's first product was a backpack generator to power the radio equipment paratroopers ...
Franklin called this device an "electrical battery", [4] but that term later came to have a different meaning, referring instead to a set of one or more galvanic cells. At that time, the word "battery" was a military term for a group of cannons. [32] Franklin was the first to apply the terms "positive" and "negative" to electricity.
Since its first expedition to the Titanic shipwreck in the summer of 2021, the Titan’s crews encountered problems aboard the submersible, including issues with its electrical system and battery ...
A 0.75 HP bore-well submersible pump which had been used to pump groundwater One style of submersible pump for industrial use. Outlet pipe and electrical cable not connected. A submersible pump (or electric submersible pump (ESP) is a device which has a hermetically sealed motor close-coupled to the pump body. The whole assembly is submerged in ...
The Ben Franklin mesoscaphe, [1] also known as the Grumman/Piccard PX-15, is a crewed underwater submersible, built in 1968. It was the brainchild of explorer and inventor Jacques Piccard . The research vessel was designed to house a six-man crew for up to 30 days of oceanographic study in the depths of the Gulf Stream .
After the 1979 sale of Federal Pacific Electric to Reliance Electric, a unit of Exxon Corporation, Reliance reported to the U.S. Consumer Product Safety Commission that the Stab-Lok breakers and panels did not meet the requirements published by Underwriters Laboratories, even though the products bore UL labels. The CPSC performed its own ...
An earth-leakage circuit breaker (ELCB) is a safety device used in electrical installations to prevent shock.It consists of either a current sensing mechanism, or a voltage sensing mechanism.
Franklin's theory is also notable, because it is the first theory that viewed electricity as the accumulation of 'charge' from elsewhere, rather than an excitation of the matter already present in an object. [6] Franklin's theory also provides the basis for conventional current, the thinking of electricity as being the movement of positive ...
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