Mueller bu-87-0  bu870  sc-87blk-bx  sc87blkbx  insulator vinyl, black

Insulator for BU-85 Series Clip)
it is used to electrically insulate bu-85 series clips.
• overall length 1.7” (43mm), large id = 0.4” (10mm), wire-end id = 0.16”
(4mm)
• material: insulator flexible pvc
• rating: dielectric strength 5kv at thinnest cross section.
temperature -20⁰f (-30⁰c) to 160⁰f (71⁰c)