nVent HOFFMAN CCFR20 Cable Entry Gland Plate User Manual
Installation guide for the nVent HOFFMAN CCFR20 Cable Entry Gland Plate. Includes step-by-step mounting instructions, cutout dimensions, and technical specifications.
Table of contents
Quick guide from the manual
This document provides installation instructions for the nVent HOFFMAN CCFR series Cable Entry Gland Plate. The system is designed for modular cable entry and requires specific cutout dimensions and torque settings for proper installation.
Installation Steps

- Guide cables through frame: Pass the cables through the frame opening.
- Click inlay into position: Secure the inlay into the frame.
- Attach seals to cables: Place the appropriate seals around the cables.
- Push seals all the way in: Ensure the seals are fully seated.
- Assemble locking adapter: Attach the locking adapter to the frame.
- Screw locking adapter into outer frame: Secure the adapter.
- Mount from outside: Insert the assembly into the enclosure cutout from the outside.
- Assemble counter nut: Place the counter nut on the assembly from the inside.
- Screw counter nut on from inside: Tighten the counter nut to the specified torque.
Cutout Dimensions and Torque
Ensure the enclosure cutout matches the following specifications for your specific model:
- CCFR20: 20.3mm (0.80 in) cutout, 3 Nm (26 in-lb) torque.
- CCFR25: 25.3mm (1.0 in) cutout, 3 Nm (26 in-lb) torque.
- CCFR32: 32.3mm (1.27 in) cutout, 3 Nm (26 in-lb) torque.
- CCFR40: 40.4mm (1.59 in) cutout, 7 Nm (62 in-lb) torque.
- CCFR50: 50.4mm (1.98 in) cutout, 7 Nm (62 in-lb) torque.
- CCFR63: 63.4mm (2.50 in) cutout, 7 Nm (62 in-lb) torque.
Combination Options
The CCFR40, CCFR50, and CCFR63 models support the use of dividers (CCFD1, CCFD2, CCFD4). The CCFR20, CCFR25, and CCFR32 models do not support these dividers.
Compliance and Safety
According to UL Standard 508A, the following conditions apply:
- Use M5 screws of stainless steel (AISI type 304 or 316).
- Maximum end-use temperature for UL application is 50°C (122°F).
- Maximum temperature range for the device is -40°C to 120°C (-40°F to 248°F) static.
Manufacturer information
nVent HOFFMAN
Practical help
Common problems
Ensure torque is set to 3 Nm for smaller models (CCFR20-32) or 7 Nm for larger models (CCFR40-63).
Ensure you are using M5 stainless steel screws (AISI 304 or 316) and operating within the -40°C to 120°C temperature range.
Before use
- Verify the cutout diameter matches the specific model (20.3mm to 63.4mm).
- Ensure you have the correct M5 stainless steel screws.
- Check if your model supports dividers (only CCFR40, CCFR50, CCFR63).
- Confirm the operating environment temperature is within -40°C to 120°C.
Specs in practice
- Temperature Range
- The device can withstand static temperatures between -40°C and 120°C.
Images and diagrams
- The installation sequence follows a 9-step process from guiding cables through the frame to securing the counter nut from the inside.
- The cutout dimensions table identifies the specific hole size required for each catalog number.
Model compatibility
- Dividers (CCFD1, CCFD2, CCFD4) are only compatible with CCFR40, CCFR50, and CCFR63.
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.