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Round black cast-aluminium floor box cover, two-gang, smooth finish

Hubbell Incorporated

Hubbell Incorporated S1TFCBL Floor Box Cover, 2 Gang, Round, Cast Aluminum, Black

SKU CH-MQ56-QET2D

A two-gang round cast-aluminium floor-box cover with a smooth black finish, designed for S1 Series floor boxes and fire-rated poke-through systems and cULus listed

  • TypeElectrical Boxes & Covers
  • ColorBlack
  • cULus listed safety compliance for code-approved installations
  • Cast aluminum construction resists wear in high-traffic areas
  • Two-gang capacity supports multiple device configurations
  • Round 5 5/8 inch diameter fits S1 series floor boxes
  • Smooth black finish blends with modern floor aesthetics

Cast Aluminium Floor Box Cover

The Hubbell S1TFCBL is a two-gang round cover and tile flange designed for S1 Series floor boxes and fire-rated poke-through systems. Cast aluminium construction with a smooth black finish provides durability in commercial and institutional environments. It suits installers who need a flush, tamper-resistant surface over power and data compartments.

cULus Listed Safety Standard

The cover carries a cULus listing, confirming compliance with applicable North American safety requirements for electrical boxes and covers. No active cooling or power-draw figures apply because the unit is a passive mechanical accessory. Its solid aluminium body adds no operational noise or thermal load to the installation.

Fixed Dimensions Limit Retrofit Use

Length is fixed at 5 5/8 inches and flange width at 5/8 inches, so the cover fits only S1 Series boxes with matching openings. Installers working with non-S1 boxes or different gang counts must select another model. The round profile also prevents use where a rectangular cover is specified.

Highlights

  • cULus listed safety compliance for code-approved installations
  • Cast aluminum construction resists wear in high-traffic areas
  • Two-gang capacity supports multiple device configurations
  • Round 5 5/8 inch diameter fits S1 series floor boxes
  • Smooth black finish blends with modern floor aesthetics

Specifications

BrandHUBBELL WIRING DEVICE-KELLEMS
TypeElectrical Boxes & Covers
ColorBlack

Questions about this item

How do I install the S1TFCBL cover onto an S1 series floor box, and what step is often missed?

Align the round cast-aluminum flange with the S1 series floor box or fire-rated poke-through opening, then secure the two-gang cover using the supplied screws; the step often missed is tightening the flange evenly so the 5/8 in width sits flush with the finished floor.

What maintenance or replacement will the S1TFCBL cover need over time?

The smooth black finish on the cast aluminum resists corrosion, so only occasional cleaning is required; replace the cover if physical damage cracks the aluminum or if the cULus listing label becomes illegible.

What is the first limitation that appears when the S1TFCBL cover sees sustained foot traffic?

The 5/8 in thick cast-aluminum flange is rated for standard commercial loads; excessive concentrated weight or impact can deform the round cover before the cULus-listed structural rating is exceeded.

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