ALT Series Connection Kits

Aluminum Connection Kits for Use with All Approved Nelson Heating Cables.

Connection kits in the aluminum ALT Series include all the component needed to complete the installation of any Nelson field-fabricated heating cable system. These connection kits are FM, UL and CSA Approved for use in ordinary and Division 2 hazardous locations when used with approved Nelson heating cables. ALT Series connection kits are approved for use with all Nelson LT, HLT and NC Series field-fabricated heating cables. All enclosures are rated NEMA 4, 7, 9.

Features Selection Guides Installation Instructions

Ordinary and Division 2 Locations

  • ALT-BC Power Connection Kit. Connects up to two heating cables to power wiring. This kit contains:
    • Universal base, sealing gasket and compression washer
    • Junction box with sealing gasket and cover
    • Sealing grommet for power or end seal; specify cable construction (additional grommets available for multiple cable entry)
    • Power termination and cable end seal with adhesive sealant
    • 3-point floating terminal block
    • Stainless steel pipe clamps (specify pipe size)
  • ALT-BS Splice Connection Kit. Connects up to two heating cables in an in-line splice. This kit contains:
    • Universal base, sealing gasket and compression washer
    • Junction box with sealing gasket and cover
    • Sealing grommet
    • Power terminations with adhesive sealant
    • 3-point floating terminal block
    • Stainless steel pipe clamps (specify pipe size)
  • ALT-BY Tee Connection Kit. Connects three heating cables in a tee splice. This kit contains:
    • Universal base and sealing gasket
    • Compression washers
    • Junction box with sealing gasket and cover
    • Watertight connection fitting and high-temperature flexible tubing
    • Sealing grommet; specify cable construction
    • Power termination and cable end seals with adhesive sealant (standard configuration: three power terminations, two end seals)
    • 3-point floating terminal block
    • Stainless steel pipe clamps (specify pipe size) 

Ordinary and Division 2 Locations

  • ALT-LP Connection Kit. Connects up to two heating cables to power wiring. Can also be used to create an in-line splice. Requires a customer-supplied outlet/junction box with 0.75" threaded hubs. The kit contains:
    • Universal base, box adapter, sealing gasket and locknut
    • Sealing grommet
    • ALT-LPM Connection Kit. Connects up to two heating cables to power-supply wiring. Can also be used to create an in-line splice. Requires a customer-supplied outlet/junction box with 0.75" threaded hubs. This kit adds molded silicone cable terminations and a standard terminal block to the basic ALT-LP kit, and contains:
    • Universal base, box adapter, sealing gasket and locknut
    • Sealing grommet for power or end seal; specify cable construction (additional grommets available for multiple cable entry)
    • Power termination and cable end seals with silicone adhesive sealant
    • 3-point floating terminal block
  • ALT-L Connection Kit. End-of-circuit termination with LED indicator light. The kit contains:
    • Universal base, box adapter, sealing gasket and locknut
    • Junction box with sealing gasket and cover
    • Pilot light assembly (specify 120, 208, 240 or 277 Vac)
    • Sealing grommet for (specify cable construction)
    • Power termination with adhesive sealant
    • Stainless steel pipe clamps (specify pipe size)

Nelson Heat Trace

ALT Kits