3M-UBI Cable Joiner

3M-UBI Cable Joiner


Use 3M Brand UBI to electrically connect two or three wire ends, insulate the connection and provide a moisture resistant seal. Recommended for use with low energy underground circuit wires, Sprinkler Systems, Landscape Lighting or other moisture resistant wires for applications of less than 30 volts.


  • Self stripping
  • Moisture resistant seal
  • Can be crimped using slip joint pliers
  • Used with insulated copper conductors


  • U-contact tin plated brass
  • Green cap, white body
  • Temperature 105°C
  • Maximum voltage 30VAC
  • Sealant mineral oil base EG-3 Grease
  • Voltage rating 30VAC
  • Not for use in direct ultraviolet exposure

Wire Range:

  • 0.5mm² solid or stranded copper conductors with a maximum insulation 2.0mm
  • Joins 2 or 3 unstripped conductors up to 0.5mm²
  • Do not strip wires

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