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A galvanostat (also known as amperostat) is a control and measuring device capable of keeping the current through an electrolytic cell in coulometric titrations constant, disregarding changes in the load itself. Its main feature is its nearly "infinite" (i.e. extremely high in respect to common loads) internal resistance.
The Swiss standard was first described in SEV 1011 (ASE1011/1959 SW10A-R). On 4 December 2009, the TK23 Technical Committee issued the new revised edition of the Swiss standard SEV 1011:2009 for 10-A plugs and 11/12 sockets to provide, among other things, improved protection against contact with partially insulated pins can.
GOST 7396 (ГОСТ 7396 in Cyrillic) is a series of Soviet and later Russian standards that adopt International Electrotechnical Commission (IEC) standards IEC 60083:1975 and IEC 60884-2-1:1987 and specify basic dimensions and safety requirements for power plugs and sockets used in Russia and other former Soviet Republics, as well as for export to markets that use American or British plugs.
A receptacle tester for North American wiring. An electrical outlet tester, receptacle tester, or socket tester is a small device containing a 3-prong power plug and three indicator lights, used for quickly detecting some types of incorrectly-wired electrical wall outlets or campsite supplies.
There are old electrical plugs that can be inserted into the British sockets BS 1363 or BS 546, but they do not meet the British Standards. Standards "BS 1363" or "BS546" are not marked on such old quasi-UK plugs. Some of them are missing the BS1362 plug fuse or the pins are lacking insulating sleeves, among other problems.
Reverse side of the same 402 plugboard, showing the pins that make contact with the machine's internal wiring. The holes were called hubs. A plugboard or control panel (the term used depends on the application area) is an array of jacks or sockets (often called hubs) into which patch cords can be inserted