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Gray aluminum two-gang FS device box with single 1-inch hub

Hubbell Incorporated

Hubbell Incorporated KILLARK 2FS-3 Electrical Box 1" Hub 32.0 cu in

SKU CH-09D9-XTRKE

Two-gang aluminum device box with one 1-inch hub and 32 cu in capacity

  • TypeElectrical Boxes
  • 32 cu in capacity fits more wiring
  • Two-gang box supports dual-device installations
  • 1 in hub size matches standard conduit
  • Aluminum construction resists corrosion
  • Internal grounding screw simplifies safe bonding

Two-gang FS aluminum box

The Hubbell Killark 2FS-3 is a two-gang FS device box made from aluminum with a gray finish. It provides a 32.0 cu in internal capacity for wiring devices and splices. A single 1 in hub allows conduit entry. The unit suits industrial or commercial installations requiring a durable metallic enclosure.

Sustained load behavior

Aluminum construction dissipates heat from enclosed conductors more effectively than non-metallic alternatives during continuous operation. Tapered threads on the hub create a tight seal that resists loosening under vibration or thermal cycling. The internal grounding screw maintains a permanent low-impedance path for fault current over the service life.

Installation and common issues

Mounting holes are spaced 1 in on centre for direct surface attachment. The box measures 4.62 in long, 4.56 in wide and 2 in deep, so verify cavity space before cutting. Installers sometimes forget to remove the internal grounding screw when using self-grounding devices, creating a double ground.

Highlights

  • 32 cu in capacity fits more wiring
  • Two-gang box supports dual-device installations
  • 1 in hub size matches standard conduit
  • Aluminum construction resists corrosion
  • Internal grounding screw simplifies safe bonding

Specifications

BrandKILLARK
TypeElectrical Boxes

Questions about this item

How much heat does the KILLARK 2FS-3 generate when energized all day?

The aluminum box itself produces no heat; temperature rise depends on the devices and conductors installed inside the 32 cu in volume.

What mounting hardware must I already have to install this 4.62 in by 4.56 in box?

You need fasteners suited to the 1 in on‑center mounting holes and a 1 in conduit fitting for the single tapered‑thread hub.

Will my existing 1 in rigid conduit thread directly into the 2FS-3 hub?

Yes, the hub has tapered threads sized for 1 in trade‑size conduit, so standard rigid or IMC conduit screws in without an adapter.

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