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Reference Material 25 kV POSI-BREAK Elbow Connector Catalog Section 25 kV POSI-BREAK Insulated Protective Cap Catalog Section POSI-BREAK Brochure The Cooper POSI-BREAK Solution to Separable Connector Switching Problems at Wisconsin Electric Power Company Partial Vacuum Flashover Phenomenon ICC November 1997 Presentation 25 kV Class, 15.2/26.3 kV Separable Connector System Certified Test Report 15.2/26.3 kV POSI-BREAK Loadbreak Connector System Certified Test Report Operating Interface Dielectric Test ICC May 1999 Presentation