Mainline-to-Service Connector


Connects service lateral tracer wire to mainline tracer wire without having to cut the main line. Outer lid locks down in three places, keeping connection free from contaminates. Comes prefilled with dielectric silicone sealant.

Features and Benefits

  • No need to cut the main line
  • 3-way connection
  • Designed for direct bury
  • Pre-filled dielectric silicone sealant protects wire and never hardens
  • Waterproof, corrosion resistant
  • Easy installation


Mainline-to-Service Connector

Part #: 3WB-01
Max voltage: 50V
Size: 1.138” x 1.617”
Color: Blue only
Wire Type: copper-clad steel; solid copper
Wire Range: min 14-AWG / max 10-AWG
Sealant Temp: -45˚F to 400˚F
Lug: tin plated high conductivity aluminum
Screws: zinc plated steel
Housing: high impact polypropylene
Sealant: non-hardening viscous dielectric silicone

Download the product data sheet