Middle Atlantic 4in. in. WX4in. in. DX38RUSINGLE DUCT - PCD-4-4-38SC

Middle Atlantic PCD-4-4-38SC 38U Vertical Cable Management Duct

Overview

The Middle Atlantic PCD-4-4-38SC is a 38U single-channel vertical cable management duct built for 2-post and 4-post open frame racks. Constructed from rigid PVC in a 4-inch wide by 4-inch deep profile, it gives integrators a dedicated, enclosed pathway for routing and protecting cable runs from top to bottom of a full-height rack. If you've dealt with spaghetti wiring across open frame telecom or security racks, this is the component that brings order to vertical runs without requiring a full enclosed cabinet.

At 68 inches tall (1,727.2 mm), the PCD-4-4-38SC spans a standard 38U open frame rack column. The single-channel form factor keeps the footprint narrow while still accommodating substantial cable bundles — useful when rack real estate is tight and you need dedicated vertical pathways on both sides of the frame.

Key Features

• Rigid PVC Construction: The duct body is molded from rigid PVC rather than sheet metal, which eliminates sharp edges that can nick cable jackets over time. In a rack environment where cables shift during adds and changes, that matters for long-term cable integrity.
• 4 in. W × 4 in. D Channel (101.6 mm × 103.12 mm): A 4×4-inch interior gives you enough cross-section to bundle power, data, and low-voltage control cables in a single duct without overstuffing — the main cause of cable damage and heat buildup in vertical management systems.
• 38U / 68-inch Height: Sized to match a standard 38U open frame rack column top to bottom. Full-length coverage means no exposed cable segments between the duct exit and the top or bottom of the rack — cleaner installs and easier future adds.
• Hinged Plastic Cover: The integrated hinged cover lets you access the cable bundle without tools — open, add or remove cables, close. In active environments where moves, adds, and changes happen regularly, tool-free access cuts service time noticeably compared to fixed-panel designs.
• Single Channel Configuration: The single-channel design dedicates the full 4×4-inch interior to one organized bundle, making it straightforward to separate cable types when paired with a second duct on the opposite rail — a common deployment pattern for separating power from data.
• Compatible with 2-Post and 4-Post Open Frame Racks: The PCD-4-4-38SC (often searched as PCD 4 4 38SC) mounts to standard 2-post and 4-post open frame rack rails, making it a practical fit across telecom, AV, and security rack infrastructure without requiring proprietary mounting hardware.
• Black Finish: The black color matches standard rack equipment and minimizes visual clutter in finished equipment rooms — small detail, but relevant in customer-facing or audited infrastructure spaces.

Integration & Compatibility

This duct is designed for cable management applications in open frame rack environments, common in structured cabling, network switch deployments, security NVR racks, and AV distribution systems. It pairs naturally with horizontal cable managers for complete top-to-bottom routing discipline. For integrators building out Middle Atlantic rack systems, the PCD-4-4-38SC fits within the broader Middle Atlantic cable management ecosystem. When planning a full rack build, pair vertical ducts with rack enclosures and open frame racks sized to the application — 38U ducts belong on 38U or deeper frames to avoid overhang.

The rigid PVC material is compatible with standard cable tie anchors and hook-and-loop fasteners if additional cable retention is needed inside the duct. The hinged cover does not require removal for cable entry — cables can be fed through the open cover at any point along the 68-inch run.

Frequently Asked Questions

Q: What rack sizes is the PCD-4-4-38SC compatible with?

A: The PCD-4-4-38SC is designed for 2-post and 4-post open frame racks. At 68 inches (38U) tall, it fits standard 38U open frame rack columns.

Q: What are the internal channel dimensions of the PCD-4-4-38SC?

A: The channel measures 4 inches wide (101.6 mm) by 4 inches deep (103.12 mm), providing ample cross-section for bundling multiple cable types.

Q: Does the cover require tools to open?

A: No. The PCD-4-4-38SC features a hinged plastic cover that opens without tools, allowing quick access to the cable bundle for adds, moves, or changes.

Q: What material is the duct made from?

A: The duct body and cover are constructed from rigid PVC, which eliminates sharp edges that can damage cable jackets.

Q: Can the PCD-4-4-38SC be used in enclosed cabinet racks?

A: The PCD-4-4-38SC is designed specifically for open frame racks (2-post or 4-post). Enclosed cabinet installations are outside its specified mounting application.

Q: Is the PCD-4-4-38SC a single or dual channel duct?

A: Single channel. The full 4×4-inch interior is one continuous open pathway. For separated cable types, pair a second unit on the opposite rack rail.

Ted Perry

The PCD-4-4-38SC is a straightforward component, but the 4×4-inch rigid PVC channel dimension is the spec that actually drives the buying decision — that cross-section handles a realistic cable bundle on a fully-populated 38U rack without the duct becoming a compression point. I specify this one specifically for open frame security and AV racks where you need vertical cable discipline but don't want the overhead of a full enclosed cabinet.

Technical Highlights:

• 4 in. × 4 in. Channel (101.6 × 103.12 mm): Enough interior volume to route power, Cat6, and low-voltage control cabling in parallel without heat concentration — a practical ceiling most 2×2-inch ducts hit quickly on populated racks.
• 68-inch / 38U Span: Full-column coverage from top rail to bottom means no exposed cable transitions between the duct terminus and rack edge — cleaner install, faster future changes.
• Hinged Cover, No Tools Required: In a production security rack that gets touched regularly for camera adds or NVR swaps, tool-free cover access is a real time saver versus snap-on or screw-fixed designs.

Deployment Considerations:

• This duct is rated for open frame racks only — 2-post or 4-post. Don't attempt to retrofit it into an enclosed cabinet where the mounting rail geometry differs; you'll fight the fit.
• Single-channel means one undivided pathway. If you're mixing high-voltage power and low-voltage data in the same duct, add a second PCD-4-4-38SC on the opposite rail and keep them separated — co-mingling power and signal cables in a single duct invites interference issues on longer runs.

Best fit: open frame security NVR or access control racks in an IDF or equipment room where adds and changes happen regularly and you need a permanent, clean vertical cable pathway that doesn't require a service call to access.