NATIONAL ALUMINIUM COMPANY LIMITED - Rites

SN IS Standard with Latest
Amendment
Title
97 IS: 722(Part 5) – 1980 AC electricity meters: Volt-ampere ampere hour meter for
restricted power factor range : General requirements.
98 IS:722 (Part 7)/Sec.1 - AC electricity meters : Volt-ampere ampere hour meter for
1987
full power factor range: General requirement
99 IS: 722 (Part 8) 1972
100 iS: 722 (Part 9) 1972
101 IS: 8530 – 1977
102 IS: 2992 - 1987
Instrument Transformers
103 IS: 2705 (Part 1) -1981 1981 Current transformers: General Requirement
104 IS: 2705 (Part 2) -1981 1981 Current transformers: Measuring current
transformers.
105 IS: 2705 (Part 3) -1981 1981 Current transformers: Protective current
transformers.
106 IS: 2705 (Part 4) -1981 1981 Current transformers: Protective current
transformers for specific purpose applications.
107 IS:6949 – 1973
Fuses
108 IS: 9224 (Part 1 ) – 1979 Low voltage fuses : General requirements.
109 IS: 9224 (Part 2 ) – 1979 Low voltage fuses : Supplementary requirements for
fuses for Industrial applications.
110 IS: 2086 – 1982
111 IS: 9926 – 1981
112 IS: 8187 – 1976
Miscellaneous
113 10000/1980/Pt.1to12 Methods of tests for IC Engines
114 10028/Pt.1/1985 Code of Practice for Selection ,installation &
maintenance of Transformers - Selection
Technical Specification:Sec-6, Electrical
AC electricity meters: Single phase 2 wire whole
current watt-hour meter (Class 1.0).
AC electricity meters: Three phase whole current and
transformer operated Watt-hour hour meters, and single
phase two wire transformer operated watt watt-hour
meters (Class 1.0).
Maximum demand indicators.
Insulation testing testers
Summation current transformers.
Carriers and bases used in rewireable type electrical
fuses upto 650 volts.
Fuse wire used in rewireable type electric fuses upto
650 volts.
D – Type fuses
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