Transmission Terminations and Joints

Cable Terminations and Joints Years of Innovation 1905 - First disconnecting pothead, 5 kV. 1924 - Paper cable pothead, 38 kV. 1952 - 138 kV termination for high pressure pipe type (HPPT) cable. 1960 - 345 kV termination for HPPT. 1969 - 138 kV termination for extruded cables. 1980 - 600 kV dc/ac termination. 1985 - 1000 kV termination for test. 1991 - 220 kV termination for extruded cables.

Cable Terminations and Joints Years of Innovation 2000 - Acquired EPOX® CTM (Cable Transition Module) 15-35kV transition joint product line 1998 - TJNT transition joints introduced, 138kV 2001 - PAT Innovation: Factory manufactured rubber stress cone introduced, 69kV – 230kV 2006 - Acquired 69-138kV Lite-Term termination product line 2006 - Acquired PSC and Easy-On II 15-46kV termination product lines 2008 – Python™ line of dry, mechanical shrink terminations and joints introduced. PMJ pre-molded joints to 245kV and PAT130C dry type outdoor termination for 145kV applications

PAT/PATR Terminations for Extruded Dielectric Cables Applications 69kV – 245kV XLPE and EPR cable Up to 2500mm2 [5000kcmil] conductor size PAT- Outdoor PATR -GIS and Transformer

PAT/PATR Terminations for Extruded Dielectric Cables G&W Advantages Experience: over 25,000 units installed worldwide Third party type tests IEEE 48 IEC 60840/62067

PAT/PATR Terminations for Extruded Dielectric Cables Pre-Molded stress control Factory manufactured and tested Outdoor style available with porcelain or composite insulator

PMJ Pre-Molded Rubber Joints 138-245kV, Extruded Dielectric XLPE or EPR cables 127mm2-2500mm2 [250kcmil-5000kcmil] cable Copper housings and fiberglass coffins available Type tested per IEEE-404 and IEC60840/62067

PMJ Pre-Molded Rubber Joints Advantages over push-on/slip-on types: Mechanical Shrink-Faster Installation Less cable prep No parking Reduced resealing/rejacketing time Reduced chance of abuse/damage during installation

PAT130C Dry Type Outdoor Terminations Applications: 145kV XLPE Cable 127mm2-630mm2 copper conductor Corrugated Aluminum or Lead Sheath Type tests IEEE 48 IEC 60840

PAT130C Dry Type Outdoor Termination Advantages Dry type, pre-molded termination Flexible design No oil required-eliminates possibility of leaks Vertical, horizontal and angle mounting Mechanical shrink for quick, easy installation

G&W Cable Accessories for Extruded Dielectric Cables Full product line “One stop shopping” for cable accessories

ATA Outdoor Style Terminations for Pipe Type Cables Applications: 69 - 800 kV Oil and gas filled cable types Up to 400 psi nominal system pressure G&W advantages: Meets IEEE-48 Porcelain insulator Perforated paper roll stress control- fast installation, no taping Capacitor graded stress control (230 kV and above)

ATA – SF GIS Style Terminations for Pipe Type Cable Applications: 69 - 345 kV Oil and gas filled cable types Up to 400 psi nominal system pressure G&W advantages: Meets IEEE-48 Porcelain insulator Perforated paper roll stress control - fast installation, no taping

ATL Terminations For Self Contained Oil and Gas Filled Cables Applications: 69 - 345 kV Outdoor and GIS Oil and gas filled cable types Up to 100 psi nominal system pressure G&W advantages: Meets IEEE-48 Porcelain insulator Perforated paper roll stress control- fast installation, no taping

TJNT140 Transition Joints Applications: Up to 145kV Connect pipe type or self contained oil filled cable to extruded dielectric XLPE or EPR cables

TJNT140 Transition Joints More economical than replacing entire cable runs with modern extruded dielectric cable Allow phase-in of extruded dielectric cable over several months/years as funding becomes available Internal pressure compensation-No external accumulator required Can terminate oil cable OR XLPE/EPR cable side independently Paper roll stress control-faster installation, no field taping Disconnectable- easier future replacement of oil cable