To maintain excellent insulation over bus bar and splice connections, seal them with Scotch Rubber Mastic Tape 2228. Its tough mastic material provides thermal stability while sealing against moisture, and the ethylene propylene rubber backing adds additional electrical insulation. This versatile and weatherproof tape is suitable for both indoor and outdoor use and in any electrical application that requires improved insulation and moisture sealing. This tape is RoHS 2011/65/EU Complaint.