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The HELLERMANNTYTON TSR1FW-21-1 is a 3/4 inch tee cover fitting designed for use with surface-mount wire management raceway systems. It snaps onto tee junction points in a raceway run, providing a clean, finished appearance while protecting wire and cable at the split point. The off-white finish blends with standard interior wall and ceiling finishes. Electricians and low-voltage installers use this fitting during structured wiring, data, and light commercial electrical installations where raceway systems are routed along walls or ceilings.
This tee cover is suited for residential and light commercial applications where raceway is used to organize and protect conductors along surface-mounted pathways. It is sold individually and is intended for use at tee junctions in compatible 3/4 inch raceway channel systems. The off-white color is a common match for standard raceway channel and base sold in the same product family.
Designed as an OEM-style fitting for 3/4 inch surface-mount raceway systems requiring tee junction covers in an off-white finish.
Installation is typically performed by a licensed electrician or low-voltage technician. De-energize all circuits in the raceway before opening or modifying any section of the raceway run. The cover snaps into place over an existing tee fitting base — ensure the base channel is fully seated and secured to the wall surface before attaching the cover. Follow applicable NEC requirements for conductor fill and raceway installation.
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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