Cold Shrink Straight Joint

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Alexander Chambers
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1 Cold Shrink Straight Joint 3M QS2000E 22 kv Single Core Straight Joint Instruction Sheet All dimensions shown are in mm unless otherwise stated Kits contains components for one single core cable -2-2* Kit Contents 3M QS2000E Joint Body Larger Cold Shrink Protection Tube Scotch Super 33+ PVC Tape 3-5* Mastic Tape strip Scotch Tape 3 3 Scotch Rubber Mastic Tape Pad 0 mm x 300 mm Copper Screen Sleeve 2-3* Scotch Rubber Mastic Tape Strip 50 mm x 0.9 m P55 grease CC-2 Cable Preparation Kit Glove 2 Screen Wire Connector Smaller Cold Shrink Protection Tube Instruction Sheet * Quantity varies according to kit model number Kit Selection Chart NOTE: Final determination factors are cable size and cable insulation diameter Cable Size Connector Dimensions Kit Number BIL kv Jacket Diameter Max. mm Cable Insulation Range ( E ) mm 22 kv mm 2 Diameter Max. mm Length Max. mm 93-AS 620--AU AS 630--AU* *This product is released for centric mechanical connectors with shear bolts and deep indent crimp connectors only. For other connector types please contact your 3M sales office. Note: These joints are also suitable for 5kV cables. Please select the right kit based on the jacket and insulation diameter ranges. 3M AUSTRALIA PTY LTD ALL STATEMENTS TECHNICAL INFORMATION AND RECOMMENDATIONS CONTAINED HEREIN ARE BASED ON TESTS WE BELIEVE ARE RELIABLE. HOWEVER SINCE THE CONDITIONS OF USE AND THE APPLICATIONS ARE BEYOND OUR CONTROL THE PURCHASER IS RESPONSIBLE FOR THE JOINTS MADE IN CONNECTION WITH THE USE OF THE DATA OR SUGGESTIONS HEREIN. Drawn : SELVA Modified : Des. Eng : SELVA Checked : SELVA ELECTRICAL PRODUCTS FOR RELEASE SELVA ISSUE DESCRIPTION PAGE OF 6 BY DATE 3M COLD SHRINK QS2000E STRAIGHT JOINT 93-AS 620--AU 93-AS 630--AU With Cold Shrink re-jacketing for single core polymeric cable according to HD 620 (IEC 60502) 24 kv Umax AV A4

2 Dimensions Kit Number A B D 93-AS 620--AU AS 630--AU Cable [A] Jacket D 00 A Cable [B] Jacket Fig. B 00. Overlap cable as per the dimensions in Figure to allow enough length for the screen wire reconnection..2 Abrade cable jacket for a distance of 00 mm with the abrasive strip provided with the CC-2 cable preparation kit. Clean cable jacket metre each side of joint..3 Remove cable jacket according to dimension A and B. Semi-Conductive Screen Dimensions Kit Number A B C 93-AS 620--AU AS 630--AU Primary Insulation Cable [A] Jacket Cable [B] Jacket E Fig. 2 C A C B 2. Bend the copper screen wires back over the cable jacket and fix them to the jacket with two layers of PVC Tape. Do not cut the wires. 2.2 Remove semi-conductive screen according to dimension C. Check if dimension E over primarily insulation is in accordance with value provided in Kit Selection Chart on front page. Copper Screen Sleeve Larger Protection Tube Smaller Protection Tube Zip Core QS2000E Joint Body Fig Position the copper screen sleeve onto the cable end. 3.2 Position the larger protection tube onto the cable end. 3.3 Position the smaller protection tube onto the cable end. 3.4 Place the joint body onto the other cable end. ELECTRICAL PRODUCTS AV PAGE 2 OF 6 A4

3 L Fig Remove primary insulation L according to the connector instructions. 4.2 Clean the insulation with the cleaning kit provided to fully remove any carbon residue. Connector Fig Install the connector according to the connector instructions. 5.2 Abrade and remove any sharp edges or burs from the connectors. If necessary, remove excess grease. 5.3 Thoroughly clean the connector. Scotch Tape Fig Completely fill the connector screw holes with mastic tape if required. 6.2 Overtape the connector with two layers of Scotch Tape 3 (stretch to 2/3 of original width), overlapping the primary insulation for 5 mm on both sides. Start taping at the centre of the connector and proceed as shown. Fill the gap between connector and primary insulation completely. Note: ensure that the diameter over Scotch Tape 3 at the connector areas has at minimum the same diameter as the cable insulation. ELECTRICAL PRODUCTS AV PAGE 3 OF 6 A4

4 P55 Grease 30 Lubrication Area 30 Fig Apply P55 grease onto primarily insulation, then onto semi-conductive screen and taped connector according to dimension shown. Lubricate area over connector last. Use glove provided. Fig Slide joint body over the connection up to Position A according to dimension M. 8.2 Shrink down joint body by turning and pulling out zip core in a counter clockwise direction. 8.3 Check position of the joint body according to given dimension after approximately 50 mm of shrinking. Kit Number 93-AS 620--AU 93-AS 630--AU Cable Size mm 2 Dimension M mm Position A Joint Body Zip Core Semi-conductive layer M Mastic Tape Scotch Rubber Mastic Tape Fig Apply two half-lapped layers of Scotch Rubber Mastic Tape 2228 onto the exposed semi-conductive screen. Fill out the gap between the cable jacket and the joint body. 9.2 Apply a layer of Mastic tape over the Scotch Rubber Mastic Tape 2228 at the leading edge of the cable jacket for a distance of 20 mm. ELECTRICAL PRODUCTS AV PAGE 4 OF 6 A4

5 Mastic Tape Copper Screen Sleeve PVC tape Fig Starting at the mastic tape, spread the copper screen sleeve onto the joint body and continue onto the other mastic tape, extending to obtain a tight fit to the joint body. Hold the copper screen sleeve in place using bands of PVC tape. 0.2 Trim the excess copper screen sleeve. 0.3 Apply another layer of mastic tape over the previously applied mastic tape. Mastic Tape Cut 5 5 Fig.. Bend the shield wires back over the joint area at both sides and distribute evenly over the body..2 Gather the wires into two bundles and cut them centrally between the edge of the Joint body and the cable jacket leading edge..3 Form an earth lead of the shield wires and insert both ends into the mechanical earth connectors provided..4 Install the mechanical earth connectors according to the connector instructions. Abrade and remove any sharp edges..5 Apply 2 layers of mastic tape over the previously applied mastic tape. Overlap the cable jacket by 5 mm. PVC Tape Fig Completely wrap the mastic tape with a layer of PVC tape. 2.2 Wrap three half-lapped layers of PVC tape over all the earth connectors. 2.3 Hold the copper wire to the joint body using bands of PVC tape with slight tension. ELECTRICAL PRODUCTS AV PAGE 5 OF 6 A4

6 Scotch Rubber Mastic Tape Pad Scotch Rubber Mastic Tape Pad Fig Apply one Scotch Rubber Mastic Tape Pad on each cable end starting 50 mm on the cable jacket (slightly stretched) Start at Scotch Rubber Mastic Tape Pad leading edge Smaller Protection Tube Scotch Rubber Mastic Tape nd layer of Scotch Rubber Mastic Tape Pad 50 0 Fig Slide the smaller protection tube over the connection up to the end of the cable jacket sealing and shrink it down by turning and pulling out the zip core in counter clockwise direction. 4.2 Apply two layers Scotch Rubber Mastic Tape 2228 according to given dimensions (slightly stretched) on the smaller protection tube. Cut remaining Scotch Rubber Mastic Tape Apply a second Scotch Rubber Mastic Tape Pad over the first Scotch Rubber Mastic Tape Pad (slightly stretched). Start at Scotch Rubber Mastic Tape 2228 leading edge Zip Core Larger Protection Tube Fig Slide the larger protection tube over the connection up to the end of the cable jacket sealing and shrink it down by turning and pulling out the zip core in a counter clockwise direction. 5.2 Joint complete. ELECTRICAL PRODUCTS AV PAGE 6 OF 6 A4

Quick Term III. 3M Cold Shrink 3 Core Indoor Termination. 3.3 kv mm 2

Quick Term III. 3M Cold Shrink 3 Core Indoor Termination. 3.3 kv mm 2 Quick Term III 3M Cold Shrink 3 Core Indoor Termination Instruction Sheet All dimensions shown are mm unless otherwise stated Kit Contents 3 QT-III Termination Assembly 1 Cold Shrink Breakout Boot 3 Phase