STI

STI SpecSeal Power Shield Electrical 5S Box Insert, 4-7/8" x 4-7/8" x 1/8" Pad, EP55

STI EP55

Available to Order

$2660.00 /CS

(250/CS)

Overview

SpecSeal EP Powershield Electrical Box Inserts install within steel electrical boxes directly against the back of the box. Powershield Box inserts incorporate pre-scored openings allowing for easy installation around ground lugs.
  • Easy to install in the field or in the shop
  • No mess, no residue, no clean-up required
  • Rapid expansion - quickly seals off the passage of fire and smoke
  • High volume char - minimum to 24x
  • Water resistant - no soluble or hygroscopic ingredients
  • Conveniently sized - fits common switch and receptacle boxes
  • Non-conductive - safe for use inside box
  • Easy retrofit - can be used for boxes installed in existing walls
  • Low profile - maximizes area inside box Labor savings - installs before or after wallboard installation

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