
Description
Twist-on Waterproof Wire Connectors – Direct-Bury Splicing (Regular & Large)
Copperhead Twist-on Connectors provide reliable, waterproof splicing for tracer wire and underground utility wires in direct-bury applications. Each connector is pre-filled with non-hardening dielectric silicone sealant, protecting the connection from water ingress and corrosion for the life of the system. These are offered in Regular and Large sizes to support a wide range of wire gauges, and are designed for fast, mess-free installs—just strip, insert, and twist for a long-term, maintenance-free wire connection.
Made in the USA. BABA compliant.
- Splices and protects wire underground—ideal for tracer wire continuity
- Pre-filled with dielectric silicone sealant (never hardens)
- No pre-twisting required—just align, insert, and twist until tight
- Accommodates copper-clad steel and copper, solid or stranded (per size limits)
- Regular: for 22–8 AWG; up to 4×12 AWG; Large: for 14–6 AWG; up to 6×12 AWG
- Max voltage: 600V; Temp rated: 105°C (221°F), sealant rated -45°F to 400°F
- Available in 20- or 100-pack (Regular), or 8-pack (Large)
Features
Features
- Permanent Waterproofing – Silicone sealant protects against water and corrosion
- Tool-Free, Twist-On Installation – No pre-twisting or additional supplies needed
- LONG-LIFE CONNECTION – Designed for direct-bury, approved for underground use
- Quick Wire Bundling – Holds up to 6×12 AWG in Large, 4×12 AWG in Regular
- Made in the USA. BABA Compliant.
Specifications
| Voltage Rating | 600V |
| Temperature Rating | 105°C (221°F) |
| Sealant Temp Range | -45°F to 400°F |
| Regular (SCB-01/SCB-01-BLK) | 22–8 AWG (up to 4×12 AWG wires) |
| Large (SCB-01-LG) | 14–6 AWG (up to 6×12 AWG wires) |
| Compatible Wire Types | Copper-clad steel, solid & stranded copper |
| Color Options | Regular: Blue or Black; Large: Blue only |
| Dimensions (Regular) | 2.00" L × 0.81" W × 0.62" H |
| Dimensions (Large) | 2.41" L × 0.99" W × 0.78" H |
| Packaging | Regular: 20 or 100 pack; Large: 8 pack |
| Country of Origin | USA |
| Compliance | BABA |
Additional Information
What's in the Box
What's in the Box
- Twist-on Waterproof Wire Connectors (choose: Regular, 20- or 100-pack; Large, 8-pack)
- Printed installation instructions
