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  • Chief PAC525 In-Wall Storage Box (Wall Enclosure, 16x9) — Engineering Drawing

    September 08, 2026 1 min read

    Manufacturer engineering drawing for the Chief PAC525 In-Wall Storage Box / Wall Enclosure (16 x 9), showing mounting dimensions and recommended electrical box compatibility.

    Full text manual (for reference)

    Manufacturer engineering drawing for the Chief PAC525 In-Wall Storage Box / Wall Enclosure (16 x 9), showing mounting dimensions and recommended electrical box compatibility.

    Overview

    This is Milestone AV Technologies' (Chief) official CAD-generated engineering drawing for the PAC525 wall enclosure, designed to house electronics inside a wall cavity behind a display or equipment location.

    Drawing Details

    • Model no.: PAC525
    • Description: PAC525, Wall Enclosure, 16 x 9
    • Drawing / tech number: TECH-000535, Size B, Rev. 00
    • Scale: 1:4 (detail views at 1:1.5 and 1:2)
    • Overall enclosure dimensions: approx. 362.0 mm x 228.6 mm (14.25" x 9.00")

    Recommended Electrical Box

    • RACO 560, 3" x 2" box, 2 3/4" deep, gangable (or equivalent)
    • Recommended cover: RACO 864 single duplex

    Conduit Knockout Sizes

    • Trade conduit: 1/2", 1", and 1-1/4" (metric equivalents: 16mm, 27mm, 35mm)

    Manufacturer

    Milestone AV Technologies, 6436 City West Pkwy, Eden Prairie, MN 55344. Phone 866-977-3901 / Fax 877-894-6918.

    This drawing and its dimensional data are confidential and proprietary to Milestone AV Technologies — download the full PDF below for complete dimensional callouts and detail views.