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Built in Garage Wall Penetration

No and there's another 3" diameter hole behind the disconnect.

Before you ask how I'll point out that it says, "The material filling this annular space shall not be required to meet the ASTM E136 requirements." So you give it a shot and maybe I'll approve what you did.

It would speed things along if you would convince me that the cable, wires and shroud are listed for concealment and it would help if that is backed up by the installation instructions.

The way that rubber duct is twisted tempts a 110.12 violation.
110.12 Mechanical Execution of Work. Electrical equipment shall be installed in a neat and workmanlike manner.

And ya I would go there with the empty outlet box that's missing a blank cover.


R302.5 Dwelling-garage opening and penetration protection. Openings and penetrations through the walls or ceilings separating the dwelling from the garage shall be in accordance with Sections R302.5.1 through R302.5.3.

R302.5.1 Opening protection. Openings from a private garage directly into a room used for sleeping purposes shall not be permitted. Other openings between the garage and residence shall be equipped with solid wood doors not less than 13/8 inches (35 mm) in thickness, solid or honeycomb-core steel doors not less than 13/8 inches (35 mm) thick, or 20-minute fire-rated doors, equipped with self-closing or automatic-closing and self-latching device.

Exception: Where the residence and the private garage are protected by an automatic residential fire sprinkler system in accordance with Sections R309.6 and R313, other door openings between the private garage and the residence need only be self-closing and self-latchng. This exception shall not apply to rooms used for sleeping purposes.

R302.5.3 Other penetrations. Penetrations through the separation required in Section R302.6 shall be protected as required by Section R302.11, Item 4.

R302.11(4)
At openings around vents, pipes, ducts, cables and wires at ceiling and floor level, with an approved material to resist the free passage of flame and products of combustion. The material filling this annular space shall not be required to meet the ASTM E136 requirements.
 
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After a second glance, I'm more concerned that the disconnect has the proper electrical clearance in front of it.
 
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