supply of thermo shrink jointing kit ( tsf-4 ) for jointing underground 6 quad cable of 0.9 mm dia conductor as per rdso spec no. rs / tc / 77 / 2012 ( rev 3.0 or latest. [ warranty period: 30 months after the date of delivery ] , thermoshrink cable jointing kit ( reinforced ) tsf-ii type generally conforming to rdso specification rdso / spn / tc / 57 / 2015 with modified kit contain ( table a ) to be suitable for jointing both 10 / 20 / 50 pair pijf and 4 / 6 quad cables along with sub-kit ( table b ) for armour continuity confirming to pcste specification no. cr / spn / tc / 57 ( a ) 2015 or latest. note:- item is exclusively reserved for rdso approved vendors or their authorized suppliers only. [ warranty period: 30 months after the date of delivery ]