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One type would switch to closed (alternatively open) already during the initial pull in the string. The other type would switch to closed (or open) only when releasing after a full pull. With the first type, the weight of the string and handle could accidentally switch the load intermittently on and off, when still around the initial position ...
A version using a pull-cord was used in World War I. [2] The photo shows the internal mechanism: the L-shaped handle has a gear rack , which spins the white step-up gear, which in turn spins the flywheel on which is mounted both a centrifugal clutch (to allow freewheeling after the lever stops its travel and then returns) and a dark grey magnet ...
An example of a British corded pull switch. A light switch combined with a light socket is sometimes installed in basement or utility areas of homes. The switch is operated by a pull chain or cord. It is also possible to have the cord-operated switch separate from the light socket, which is particularly common in British bathrooms.
An LCDI cord has a fine wire mesh around the conductors, and circuitry to detect current leaking from the conductors to the mesh, which would happen if the cord were damaged or frayed. The plugs are normal NEMA 5-15, 5-20, 6-15, 6-20, or 6-30 plugs, depending on the air conditioner design, and are typically molded-on designs.
A bad case of "cable spaghetti" Cabling secured with cable ties Cable management refers to management of electrical or optical cable in a cabinet or an installation. The term is used for products, workmanship or planning.
Here's how to distinguish "sundowning"—agitation or confusion later in the day in dementia patients—from typical aging, from doctors who treat older adults.
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A fish tape (also called a draw wire, draw tape, or an electrician ' s snake) is a tool used by electricians to route new wiring through walls and electrical conduit. [ 1 ] Made of a narrow band of spring steel , by careful manipulation, the tape can be guided through confined spaces such as wall cavities or conduits in many countries.