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The HELLERMANNTYTON TSR1W-33-1 is an internal cover fitting designed with a single bend radius for use in raceway and wire management systems. This component mounts inside a raceway channel to protect cables and conductors at interior corners, maintaining a controlled bend and preventing insulation damage at transition points. It is sold as an individual unit and is typically installed by electricians during conduit and surface raceway assembly in commercial or light industrial wiring projects.
The TSR1W-33-1 is intended for use with compatible HELLERMANNTYTON raceway systems at interior corner transitions. It provides a smooth directional change for wire bundles routed through surface-mounted raceways, reducing stress on conductors and keeping installations neat and compliant with wiring codes. Installers use this fitting wherever an inside corner change of direction is required along a raceway run.
Designed as an OEM-style internal corner cover fitting for compatible HELLERMANNTYTON surface raceway systems requiring a single bend radius at interior transitions.
Installation is typically performed by a licensed electrician as part of a surface raceway wiring system. De-energize all circuits in the work area before installing or adjusting raceway components. Ensure the raceway base is fully secured to the wall or surface before snapping the internal cover fitting into position. Follow applicable NEC requirements for conductor fill and bend radius when routing wire through raceway fittings.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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