Panduit DAP4BC-G3-4 4-Inch Data Access Port

The Panduit DAP4BC-G3-4 solves the cable-entry problem on access control panels, network enclosures, and industrial control cabinets where you need to route multiple power and data lines through the enclosure wall without voiding the UL listing or compromising the NEMA rating. This 4-inch data access port maintains UL50 and UL50E enclosure integrity while providing a clean, brush-sealed pass-through for Cat6, coax, power whips, and control wiring. Integrators installing Mercury boards, HID VertX controllers, or any panel-mount equipment that needs external cable feeds can punch a single 4-inch hole instead of drilling multiple knockouts and sealing each penetration individually. The brush grommet design keeps out dust, moisture, and pests while allowing cables to route freely, and the UL508A rating ensures compliance on industrial control panel installations where inspectors demand listed components at every penetration point.

Key Features

4-inch diameter opening accommodates multiple Cat6, coax, or power cables in a single penetration

UL50/UL50E rated to maintain enclosure NEMA rating after installation

UL508A listed for industrial control panel applications requiring code-compliant penetrations

CSA C22.2 NO. 14-13 and NO. 94.1/94.2 certified for installations requiring Canadian standards compliance

Brush-style seal prevents dust, moisture, and debris ingress while allowing cable flexibility

When you're installing an access control head-end in a NEMA 4 enclosure or running IP camera trunk cables into a network rack, every wall penetration creates a potential failure point for the enclosure rating. Standard knockouts with rubber grommets don't seal well around irregular cable bundles, and inspectors flag uncertified penetrations on UL508A industrial panel jobs. The DAP4BC-G3-4 gives you a listed, rated solution: mount it in a 4-inch knockout or field-cut hole, route your cable bundle through the brush insert, and the enclosure maintains its UL50 rating. The brush filaments conform around each individual cable while blocking the gaps that let in humidity, dust, or insects. On data center or server room installs where you're dropping 10+ Cat6 runs from overhead cable tray into a floor-mount rack, one data access port replaces a half-dozen individual grommets and keeps the installation clean enough to pass client walkthroughs.

The UL508A listing is critical for industrial control panel work—any enclosure housing motor controls, PLCs, or power distribution equipment falls under this standard, and the AHJ will reject non-listed cable entries. Panduit's data access ports are designed specifically for this application: the mounting flange bonds to the enclosure for grounding continuity, the brush material is rated for the temperature range of industrial environments, and the assembly maintains the short-circuit current rating of the enclosure. If you're building custom panels for building automation, fire alarm, or process control systems, using a listed data access port instead of field-fabricated cable entries keeps you compliant and speeds up inspection approvals.

The CSA C22.2 certification extends the same assurance to Canadian installations where provincial electrical codes require CSA marks on all enclosure components. Whether you're running a cross-border project or working with clients who specify Canadian standards, the dual UL/CSA listing on the DAP4BC-G3-4 eliminates the need to source separate components for US versus Canadian job sites. Single-unit packaging makes this ideal for retrofit work where you're adding new cable runs to an existing enclosure—order exactly what you need without breaking bulk packs, and the per-unit cost justifies itself in the labor saved versus drilling, deburring, and sealing multiple individual penetrations.