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Heyco Low 75 Durometer Plugs

Heyco Low 75 Durometer Plugs are Oil-tight, rain-tight, submersible, and UL certified for outdoor applications. These plugs can be installed with fingertip pressure, without any tools. The Low 75 Durometer plugs offer multiple nominal sizes to fit true-size mounting holes from 0.5" (12.7mm) to 1" (25.4mm). These plugs provide a maximum panel thickness of 0.125" (3.2mm) and a mounting hole diameter range of 0.875" (22.2mm) to 1.375" (34.9mm). The Low 75 Durometer plugs are constructed from TPE‑Hardness 75 Shore A material and support a temperature range of -81°F (-60°C) to 275°F (135°C).

Features

  • Oil-tight, rain-tight, and submersible
  • UL certified for outdoor applications
  • Install with fingertip pressure (no tool required)
  • Multiple nominal sizes fit 0.5" (12.7mm) to 1" (25.4mm) true-size mounting holes
  • Three trade sizes fit 1/2" to 1" knock-out holes
  • Lock firmly in boxes from 0.03" (0.8mm) to 0.13" (3.2mm) thick
  • True sizes are UL recognized under Underwriters Laboratories file E51579 and CSA certified by Canadian Standard Association file 8919
  • Trade sizes are UL listed under Underwriters Laboratories file E51579 and CSA certified by Canadian Standard Association file 081067C
  • Certified for NEMA 4 and 4X applications

Specifications

  • TPE-Hardness 75 Shore A material
  • 94V-0 flammability rating
  • -81°F (-60°C) to 275°F (135°C) temperature range

Dimensions

Mechanical Drawing - Heyco Low 75 Durometer Plugs

Additional Resources

Publié le: 2026-02-10 | Mis à jour le: 2026-02-11