Blue Sea Systems 4010 CableCap Stud Insulator Red | 5/16" Stud | 8–4 AWG Marine Cable Protector
CA$8.38CA$7.99
Blue Sea Systems 4010 CableCap Stud Insulator – Red
The Blue Sea Systems 4010 CableCap Stud Insulator is designed to provide safe, reliable insulation for exposed electrical studs in marine, RV, automotive, and industrial electrical systems. Engineered for 5/16" terminal studs and 8–4 AWG cable, this durable red insulator helps prevent accidental short circuits while protecting battery and power distribution connections from moisture, dirt, and corrosion.
Manufactured from rugged marine-grade insulating material, the CableCap provides a professional finish and enhances the safety and reliability of your DC electrical installation. The red colour is ideal for identifying positive (+) power connections, making troubleshooting and maintenance easier.
Features
Genuine Blue Sea Systems 4010 CableCap
Colour: Red
Fits 5/16" (8 mm) terminal studs
Suitable for 8–4 AWG marine cable
Protects exposed electrical studs from accidental contact
Helps prevent short circuits
Resistant to moisture, dirt, and corrosion
Durable marine-grade insulating material
Easy push-fit installation
Ideal for harsh marine environments
Applications
Perfect for use with:
Marine battery terminals
Battery switches
Bus bars
Fuse blocks
Terminal blocks
Battery chargers
Inverters
Marine electrical distribution panels
RV electrical systems
Off-grid solar power systems
Specifications
Specification | Details |
|---|---|
Manufacturer | Blue Sea Systems |
Part Number | 4010 |
Product | CableCap Stud Insulator |
Colour | Red |
Stud Size | 5/16" (8 mm) |
Cable Size | 8–4 AWG |
Material | Marine-grade insulating material |
Application | Electrical stud protection |
Approximate Weight | 0.02 lb (0.32 oz / 9 g) |
Note: Always verify terminal stud size and cable compatibility before ordering.
Buy the Blue Sea Systems 4010 Red CableCap Stud Insulator for 5/16" studs and 8–4 AWG cable. Ideal for marine battery terminals and electrical systems. Fast Canada-wide shipping.

