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Square galvanized steel electrical box with multiple knockouts

Hubbell Incorporated

Hubbell Incorporated RACO 683 Electrical Box 30.3 cu in 2 Gang Galvanized Steel

SKU CH-RR88-P268N

A 30.3 cu in galvanised steel electrical box with two gangs and multiple knockouts for 2-hour fire-rated walls

  • TypeElectrical Boxes & Covers
  • 3 cu. in. capacity fits more wiring
  • Drawn galvanised steel resists corrosion on site
  • Two-gang layout accepts dual devices cleanly
  • Seventeen knockouts give flexible cable entry
  • Rated for two-hour fire walls per code

Electrical box for two devices

The Hubbell RACO 683 is a 4-inch square electrical box designed to house two devices such as switches or receptacles. Its 30.3 cu in capacity provides room for conductors and splices in residential or light commercial wiring projects. The drawn galvanised steel construction resists corrosion and meets requirements for use in two-hour fire-rated walls. Supplied with eleven 1/2 in. and six 3/4 in. knockouts for flexible conduit entry.

Verify wall depth and knockout needs

Confirm the mounting surface can accommodate the 2-1/8 in. depth of the box before ordering. Ensure the combination of 1/2 in. and 3/4 in. knockouts matches the conduit sizes specified for the installation. Check local code requirements for box fill calculations to ensure the 30.3 cu in volume is sufficient for the intended conductor count and device yokes.

Suits two-device runs in fire-rated walls

This box suits electricians and contractors installing dual switches or outlets in standard 4-inch square cutouts where a two-hour fire rating is required. It is not intended for single-gang applications or installations needing a deeper box for high conductor counts. Buyers requiring non-metallic enclosures or larger gang configurations should consider alternative box styles.

Highlights

  • 3 cu. in. capacity fits more wiring
  • Drawn galvanised steel resists corrosion on site
  • Two-gang layout accepts dual devices cleanly
  • Seventeen knockouts give flexible cable entry
  • Rated for two-hour fire walls per code

Specifications

BrandRACO
TypeElectrical Boxes & Covers

Questions about this item

Does the RACO 683 box include mounting screws or a cover, or must they be purchased separately?

The box is supplied with eleven 1/2 in. and six 3/4 in. knockouts; mounting screws and covers are not included and must be sourced separately.

Should I choose the 30.3 cu. in. version or a larger capacity for a two-gang installation?

This model provides 30.3 cu. in. capacity in a 4 in. square, 2-1/8 in. deep drawn steel box, which matches the listed two-gang requirement.

What does the 30.3 cu. in. capacity mean when the box is installed in a wall?

It allows up to 30.3 cubic inches of conductor fill for a two-device switch box and is acceptable for use in 2-hour fire rated walls.

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