IS 10606-1983 Specification for cast iron junction boxes suitable for T-type and branch trouser-type junctions of paper-insulated cables of voltages 11 kV and below
1.1 This standard covers the requirements of tee joint boxes and branch trouser joint boxes including metal sleeve for belted type paper insulated cables conforming to IS : 692-1973〓 for voltages up to and including 11 kV grade.
1.2 This standard does not cover the actual jointing process and jointing materials required for jointing.
IS 10606-1983 history
1983IS 10606-1983 Specification for cast iron junction boxes suitable for T-type and branch trouser-type junctions of paper-insulated cables of voltages 11 kV and below