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A cheater plug, AC ground lifter or three-prong/two-prong adapter is an adapter that allows a NEMA 5-15P grounding-type plug (three prongs) to connect to a NEMA 1-15R non-grounding receptacle (two slots). [1]: 112 They are needed to allow appliances with 3-wire power cords to plug into legacy ungrounded (two slot) receptacles found in older ...
The addition is a 3 ⁄ 16-inch (4.8 mm) diameter round or U-shaped ground pin, 1 ⁄ 8 in (3.2 mm) longer than the power blades (so the device is grounded before the power is connected) and located from them by 1 ⁄ 4 in (6.4 mm) edge-to-edge or 15 ⁄ 32 in (11.9 mm) center-to-center.
The socket has a circular recess with two round holes and two earthing clips that engage before live pin contact is made. The pins are 4.8 by 19 mm (0.189 by 0.748 in). The Schuko system is unpolarised, allowing live and neutral to be reversed. The socket accepts Europlugs and CEE 7/17 plugs and also includes CEE 7/7. It is rated at 16 A.
The shank of the active and neutral pins of every 10 amp and 15 amp flat-pin plug sold after 3 April 2005 are required to be insulated, in accordance with AS/NZS 3112:2000. [ 1 ] Since 2000, the nominal voltage in most areas of Australia has been 230 V, [ 2 ] [ 3 ] [ 4 ] except for Western Australia, which remains at 240 V, and Queensland ...
BS 1362 specifies sand-filled ceramic-bodied cylindrical fuses, with dimensions of 1 in (25 mm) in length, with two metallic end caps of 1 ⁄ 4 in (6.4 mm) diameter and roughly 1 ⁄ 5 in (5.1 mm) long. The standard specifies breaking time versus current characteristics only for 3 A or 13 A fuses.
The term plug is in general and technical use in all forms of English, common alternatives being power plug, [1] electric plug, [2] and (in the UK) plug top. [3] The normal technical term (in both British and International English) for an AC power socket is socket-outlet, [4] but in non-technical common use a number of other terms are used.
The two flat contacts are spaced further apart than on an American plug. No domestic appliances were ever sold with these plugs. The line and neutral measure 9 by 2 mm (0.354 by 0.079 in), and are 30 mm (1.181 in) apart. All three pins are 19 mm (0.748 in) long, and the earth pin is a cylinder of 4.8 mm (0.189 in) diameter.
The 1 ⁄ 4 inch (6.35 mm) phone jack common to many electronic applications in various configurations, sometimes referred to as a headphone jack; The RCA jack, also known as a phono jack, common to consumer audiovisual electronics; The EIAJ jack for consumer appliances requiring a power supply of less than 18.0 volts