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Galvanized steel single-gang switch box, gray finish, 10.3 cu in capacity

Hubbell Incorporated

Hubbell RACO 445 Electrical Box 10.3 cu in 1 Gang

SKU CH-CMFC-S8V0G

A 10.3 cu in galvanised steel switch box with KO and NMSC clamps, UL listed

  • Product typeElectrical Boxes & Covers
  • 3 cu in capacity fits more conductors
  • Single-gang switch box suits standard installations
  • Galvanized steel construction resists corrosion
  • KO and NMSC clamps secure cables without extra hardware
  • UL Listed for code-compliant safety

Product identity

The Hubbell RACO 445 is a 10.3 cu in single-gang switch box designed for residential and light-commercial wiring. It provides a code-compliant enclosure for switches or receptacles in standard stud walls.

Build quality and connectors

The box is fabricated from galvanized steel with a gray finish for corrosion resistance. It includes one 1/2 in. back knockout and combination KO and NMSC clamps for cable entry without separate fittings.

Thermals noise and power

As a passive metal enclosure the box generates no heat, noise or electrical draw. Its steel construction dissipates any warmth from enclosed devices and maintains grounding continuity under normal load.

How it compares

Measured against everything we stock in Electrical Enclosures & Cabinets, at today’s prices. Recalculated every night.

Price $3.99
Cheaper than about 94% of the 1,411 comparable items (median $39.99).

Specifications

Product
Brand nameRACO
Product typeElectrical Boxes & Covers

Questions about this item

How many cubic inches does the 10.3 cu in rating actually allow for conductor fill?

The box provides 10.3 cubic inches of internal volume, which sets the maximum conductor fill permitted by the NEC for the wire sizes and devices you install.

What mounting provisions does the 1-gang steel box include for securing it to a stud or surface?

The box uses KO clamps and NMSC clamps for cable entry; it has no integral bracket, so you must fasten it through the back knockout or side flanges to the framing.

What is the correct sequence for installing cables into the KO and NMSC clamps before mounting the box?

Strip the cable sheathing, insert conductors through the appropriate knockout clamp, tighten the clamp screws, then secure the box to the stud — clamping after mounting often pinches wires.

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