Duck Brand 299006 3/4-Inch by 60 Feet Utility Vinyl Electrical Tape (2 Pack) $5.62

7 Millimeter Thick, Flame Retardant and Weather Resistant Vinyl Tape
Rated For Use up To 600- Volt and can be used Between 14 Degree FH and 176 Degree FH
Excellent stretch, Adhesion and Conformability
Great Protection for Exposed Wires. Meets UL Listed And CSA Building Codes
Value Pack ( 2 Rolls)