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The APPLETON A-150 is a plastic bushing designed to protect wire and cable insulation from damage at conduit entry and exit points. Rated for use at temperatures up to 150 degrees F, this bushing fits 1-1/2 inch trade-size conduit openings. It installs at the end of a conduit run where conductors pass through a knockout, box opening, or enclosure wall, creating a smooth, rounded bearing surface that prevents insulation cuts and abrasion. Electricians rely on this style of bushing on commercial and industrial panel terminations, junction boxes, and enclosures where code compliance and conductor protection are the priority.
This bushing is suited for use in residential, commercial, and light industrial electrical installations wherever 1-1/2 inch conduit terminates at a sheet metal enclosure, pull box, or switchgear cabinet. It is a common requirement under NEC guidelines when conductors enter metal enclosures without a flared or protected edge. The plastic construction resists corrosion and eliminates the risk of conductor damage from sharp metal edges.
Designed as an OEM-style replacement bushing for 1-1/2 inch trade-size conduit termination points in standard electrical enclosures and junction boxes.
Installation is performed by a licensed electrician. De-energize the circuit and verify absence of voltage before working inside any enclosure. The bushing seats into the conduit end or knockout opening by hand or with light pressure. Follow applicable NEC requirements for conductor protection at enclosure entries.
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