This is a 0.910 in (23 mm) O.D., transition connector from cable A (1 AWG Stranded, 1/0 AWG Solid) to cable B (1/0 AWG Solid). This connector is for 25 kV use only and can be used with the 3M™ Splice Kits 5420 Series.
3M CI Series Connectors up to 35kV - Product Selection Guide (PDF 8.0 K)
3M CI-A Series Connectors up to 35kV - Product Selection Guide (PDF 6.6 K)
3M CI-T Series Connectors up to 35 kV - Product Selection Guide (PDF 7.0 K)
3M™ Lugs and Connectors, 2015 Electrical Products Catalog - Catalog (PDF 2.1 MB)
3M™ Splices, 2013 Electrical Products Catalog - Catalog (PDF 11.7 MB)