STC40-4R - 4 Pack Silicone Terminal Covers for Alternator Battery Stud and Power Junction Blocks, Fits 3/0awg to 4/0awg Wire, 4pcs Red

The STC40-4R is a set of four red silicone terminal covers designed to insulate exposed studs on alternators, batteries, and power junction blocks. Built for 3/0 AWG to 4/0 AWG wiring, these covers are a straightforward safety solution for high-current 12V installations where exposed terminals pose a short-circuit or contact risk. The silicone construction outperforms PVC in durability, flexibility, and environmental resistance.

• Pack contents: 4 pieces, red silicone
• Wire compatibility: Fits 3/0 AWG to 4/0 AWG conductors on 3/8" studs
• Temperature range: Rated from -40°C to 230°C for stable performance in engine bay environments
• Flame rating: Meets UL-94V0 flammability standard
• Electrical insulation: High dielectric resistance with excellent water repellency for reliable protection in wet conditions
• RoHS certified: Silicone material is environmentally compliant and offers longer service life than PVC alternatives