IS 3961 : Part 3 : 1968 Recommended current ratings for cables: Part 3 Rubber insulated cables
UDC 621.315.21 : 621.315.616 | ETD 9 |
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Reaffirmed 2021 |
1. SCOPE
1.1 This standard (Part III) covers recommended current ratings for both the copper conductored as well as aluminium conductored rubber insulated cables of voltage ratings 250/440 volts and 650/1100 volts covered by IS: 434 (Part I) -1964† and IS: 434 (Part II) - 1964‡ respectively.