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The kit achieves the same function by adding an external interlock onto an existing breaker panel that allows the main breaker to be turned on or one designated load breaker to be turned on, but not both at the same time. The interlocked load breaker is repurposed as the "backfeed" breaker, and a generator is connected to it (wired directly or ...
NEMA 1-15P (two-pole, no ground) and NEMA 5-15P (two-pole with ground pin) plugs are used on common domestic electrical equipment, and NEMA 5-15R is the standard 15-ampere electric receptacle (outlet) found in the United States, and under relevant national standards, in Canada (CSA C22.2 No. 42 [1]), Mexico (NMX-J-163-ANCE) and Japan (JIS C 8303).
These may either contain two or three tripping mechanisms within one case or, for small breakers, have the breakers externally tied together via their operating handles. Two-pole common-trip breakers are common on 120/240-volt systems where 240 volt loads (including major appliances or further
The pin length is the same as in the Chinese version. The earthing pin length is 21.4 mm (0.843 in) for the 10 A version and 21.8 mm (0.858 in) for the 20 A version. On the plugs, the pole length is 18.2 mm (0.717 in) for the 10 A version and 17.8 mm (0.701 in) for the 20 A version.
IEC 60309 (formerly IEC 309 and CEE 17, also published by CENELEC as EN 60309) is a series of international standards from the International Electrotechnical Commission (IEC) for "plugs, socket-outlets and couplers for industrial purposes".
IEC 61116 Electromechanical equipment guide for small hydroelectric installations; IEC 61118 Helical-scan video tape cassette system using 12,65 mm (0,5 in) magnetic tape – Type M2; IEC 61119 Digital audio tape cassette system (DAT) IEC 61120 Digital audio tape recorder reel to reel system, using 6,3 mm magnetic tape, for professional use