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In electric power systems and industrial automation, ANSI Device Numbers can be used to identify equipment and devices in a system such as relays, circuit breakers, or instruments. The device numbers are enumerated in ANSI / IEEE Standard C37.2 Standard for Electrical Power System Device Function Numbers, Acronyms, and Contact Designations .
Protective relay. In utility and industrial electric power transmission and distribution systems, a numerical relay is a computer-based system with software-based protection algorithms for the detection of electrical faults. [1]
IEEE 315-1975 / ANSI Standard Y32.2. Annex F: "Cross reference list of Class Designation Letters" compares IEC 113-2:1971 to the IEEE/ANSI standard. * AS 1102 and IEC 60617 for "Graphical Symbols for Electrotechnology".
ANSI 834 Enrollment Implementation Format; ANSI A300; ANSI ASC X9.95 Standard; ANSI/ASME Y14.1; ANSI C; ANSI device numbers; ANSI escape code; ANSI/ISA-95; ANSI S1.1 ...
The National Electrical Safety Code (NESC) or ANSI Standard C2 is a United States standard of the safe installation, operation, and maintenance of electric power and communication utility systems including power substations, power and communication overhead lines, and power and communication underground lines.
Introduced 1907, but added to ANSI standard sizes in 1947. Used in many household electronic devices. Various fractional sizes are available; e.g.: 4 ⁄ 5 AA (FLYCO Ni-Cd, Ni-Mh, 600–1,500 capacity, 14.0 × 40.0, used in small electronics, such as electric shavers. 1 ⁄ 2 AA (see below) 1 ⁄ 2 AA: SAFT LS14250 Tadiran TL5101 UL142502P ...
Since these IEC and ANSI battery standards have been harmonized, for example, an R20 cell will have the same dimensions as an ANSI 13 cell. Flat cells, used as components of multi-cell batteries, have an F prefix and a series of numbers to identify sizes. Coin cells were assigned size codes in the 5000 range.
Former name for ANSI (1920s-1960s). ASME: American Society of Mechanical Engineers: And the many standards that it issues, for example, ASME Y14.5. ASSY or ASY: assembly: referring to an assembly of parts rather than just one (sub)part ("piece part", "detail part"). ASTM: Formerly the American Society for Testing and Materials; now ASTM ...
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