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2. IEC 60269 - Wikipedia

   en.wikipedia.org/wiki/IEC_60269

   In electrical engineering, IEC 60269 is a set of technical standards for low-voltage power fuses. [1] The standard is in four volumes, which describe general requirements, fuses for industrial and commercial applications, fuses for residential applications, and fuses to protect semiconductor devices.

3. AC power plugs and sockets: British and related types

   en.wikipedia.org/wiki/AC_power_plugs_and_sockets:...

   The standard specifies breaking time versus current characteristics only for 3 A or 13 A fuses. For 3 A fuses: 0.02–80 s at 9 A, < 0.1 s at 20 A and < 0.03 s at 30 A. For 13 A fuses: 1–400 s at 30 A, 0.1–20 s at 50 A and 0.01–0.2 s at 100 A.

4. Reference designator - Wikipedia

   en.wikipedia.org/wiki/Reference_designator

   IEEE 200-1975 or "Standard Reference Designations for Electrical and Electronics Parts and Equipments" is a standard that was used to define referencing naming systems for collections of electronic equipment. IEEE 200 was ratified in 1975. The IEEE renewed the standard in the 1990s, but withdrew it from active support shortly thereafter.

5. Fuse (electrical) - Wikipedia

   en.wikipedia.org/wiki/Fuse_(electrical)

   Some cartridge fuses are manufactured with end caps of different sizes to prevent accidental insertion of the wrong fuse rating in a holder, giving them a bottle shape. Fuses for low voltage power circuits may have bolted blade or tag terminals which are secured by screws to a fuseholder. Some blade-type terminals are held by spring clips ...

6. Distribution board - Wikipedia

   en.wikipedia.org/wiki/Distribution_board

   The box pictured top-right is a "Wylex standard" fitted with rewirable fuses. These boxes can also be fitted with cartridge fuses or miniature circuit breakers (MCBs). This type of consumer unit was very popular in Britain until 2001 when wiring regulations mandated residual-current device (RCD) protection for sockets that could "reasonably be ...

7. List of British Standards - Wikipedia

   en.wikipedia.org/wiki/List_of_British_Standards

   BS 1361 for cartridge fuses for a.c. circuits in domestic and similar premises; BS 1362 for cartridge fuses for BS 1363 power plugs; BS 1363 for mains power plugs and sockets; BS 1377 Methods of test for soils for civil engineering. BS 1380 Speed and Exposure Index of Photographic Negative Materials. BS 1572 Colours for Flat Finishes for Wall ...