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The flat parallel plug blades are polarized to prevent the hot and the neutral connections from being reversed. In addition, many versions have a molded obstruction bump on top of the adapter, to block the grounding prong and thus physically prevent forcible insertion of a 3-prong plug in the wrong orientation. [citation needed]
It sells performance auto parts, aftermarket accessories, tools, and race apparel. JEGS was founded by Jeg Coughlin Sr. in 1960 as a small speed shop. [1] Jeg's remained family owned and operated until 2022 when a majority stake of the company was purchased by Greenbriar Equity Group .
NEMA 5-15P plug and NEMA 5-15R receptacle (different scales, blade spacing is 0.5 inches (12.7 mm) for both.) Each receptacle also accepts an ungrounded plug, whether polarized or unpolarized. Typical 5-15R residential receptacle 5-20R T-slot receptacle mounted with the hole for the ground pin at the top. The neutral connection is the wider T ...
The connector typically has 2 to 24 contacts and is polarized or keyed to ensure correct orientation. Pins and sockets can be arranged in any combination in a single housing, and each housing can be either male or female. There are three typical pin sizes: 1.57 mm (0.062 in), 2.13 mm (0.084 in), and 2.36 mm (0.093 in).
AC power plugs are also commonly circular, for example, Schuko plugs and IEC 60309. NMEA 2000 cabling using M12 connectors. The M12 connector, specified in IEC 61076-2-101, is a circular electrical plug/receptacle pair with 12mm OD mating threads, used in NMEA 2000, DeviceNet, IO-Link, some kinds of Industrial Ethernet, etc. [16] [17]
In North American and European practice, small portable equipment connected by a cord set is permitted under certain conditions to have merely two conductors in the attachment plug. A polarized plug can be used to maintain the identity of the neutral conductor into the appliance but neutral is never used as a chassis/case ground. The small ...
By Nate Raymond (Reuters) -A U.S. appeals court has halted enforcement of an anti-money laundering law that requires corporate entities to disclose the identities of their real beneficial owners ...
SplitFire was a company that manufactured a spark plug featuring a split ground electrode. SplitFire claimed that its "V" electrode design improved combustion by allowing the ignited flame to pass through the gap in the electrode, instead of around it.