INSTALLATION INSTRUCTION
HEATSHRINK JOINT TO SUIT SINGLE CORE 7.2-36kV
POLYMERIC CABLE TYPE SPAJ
©
DATE OF ISSUE: 26.11.03
CABLE PREPARATION
SIZE
(mm2)
MAX CONNECTOR
LENGTH
16-35 100mm
50-95 110mm
120-185 150mm
240-400 220mm
500-1000 250mm
VOLTAGE TABLE HEATSHRINK TUBE REQUIREMENT
VOLTAGE A X TCC GMT GIS TMI
7.2kV 120mm HALF 1 --- 1 1
12kV 130mm CONNECTOR 1 --- 1 1
17.5kV 150mm LENGTH 1 1 1 1
24kV 170mm +5mm 1 1 1 1
36kV 220mm 1 2 1 1
COPPER TAPE SCREEN
OR LEAD SHEATH
EXTRUDED/SOLUBLE SCREEN
PRIMARY INSULATION
COPPER TAPE SCREEN OR LEAD SHEATH
Fig 1
80 15 A X X A 15 80
COPPER WIRE/COPPER BRAID SCREEN
PRIMARY INSULATION
BRAID ARMOUR IF PRESENT
EXTRUDED/SOLUBLE SCREEN
COPPER WIRES
TWISTED BACK
Fig 2
30 80 A
X 80AX 30
NOTE:- IN FIG 2, EXPOSE CABLE BY FURTHER 30mm ONLY IF BRAID ARMOUR IS PRESENT
FOR ALUMINIUM WIRE ARMOUR (AWA) SEE FIG 13-14
TCC = BLACK STRESS CONTROL TUBE GMT = RED INSULATION TUBE
GIS =INSULATION/CONDUCTIVE COMBINED TUBE TMI = OUTER SHRINK SEALING TUBE
Table 1
Table 2