RJ-12 or RJ-11 Telephone Round Panel Mount Extension Cable

The RJ-12/RJ-11 Telephone Round Panel Mount Extension Cable provides a simple way to add a panel-mount telephone connection to project enclosures. The round panel-mount design fits a standard drilled hole of approximately 30 mm — no custom oval or square cutouts required.

Unscrew the plastic nut, insert through the panel, and re-attach to secure the jack. The cable provides a full pass-through connection with the plug wired in the same order as the jack. It accommodates panel thicknesses from a few millimetres up to 16 mm, and the plastic lip conceals the drilled hole for a clean finish.

Key Features

• Round Panel Mount – Fits a ~30 mm drilled hole, no custom cutouts needed
• Full Pass-Through – Plug wire order matches the jack for direct 1:1 connection
• Easy Installation – Threaded plastic nut secures to panels from a few mm to 16 mm thick
• RJ-11 and RJ-12 Compatible – Same connector form factor; RJ-11 uses 4 wires, RJ-12 uses all 6

Specifications

• Connector Type – RJ-12 / RJ-11 (6P6C / 6P4C)
• Mount Hole Diameter – Approximately 30 mm
• Panel Thickness – Up to 16 mm
• Connection – RJ-12 jack (panel side) to RJ-12 plug (internal side)

Ideal For

• Project enclosures requiring telephone connectivity
• LEGO Mindstorms and NXT/EV3 sensor extensions
• Custom control panels and interface boxes

Package Contents

• 1× RJ-12/RJ-11 round panel mount extension cable