nVent 12PSF Push In Conduit Clamp with Shot-Fire Bracket
Quick guide for the nVent 12PSF Push In Conduit Clamp with Shot-Fire Bracket. Includes installation details, compatibility with nailers, and technical specifications.
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
This document provides essential information for the nVent 12PSF Push In Conduit Clamp with Shot-Fire Bracket. This device is designed for rapid installation of 3/4 inch EMT conduit onto concrete, steel, or composite metal decking. It features a pre-assembled drive pin, eliminating the need for offset bending.
Product Overview
The 12PSF is a specialized conduit clamp that includes a shot-fire bracket and a pre-assembled drive pin from DEWALT. It is engineered to attach quickly to various structural surfaces using powder-actuated or single-shot gas-actuated tools.

Installation
The clamp is designed for use with compatible powder-actuated or gas-actuated nailers. It is compatible with a wide range of tools from manufacturers including Powers, Simpson, SPIT, Ramset, Hilti, and Würth. Ensure the tool is properly maintained and used according to the manufacturer's instructions.

Technical Specifications
Material: Steel and Spring SteelFinish: Electrogalvanized and nVent CADDY ArmourConduit Size: 3/4 inch EMTOuter Diameter Range: 0.866 inch – 1.181 inchUltimate Static Load: 15 lbDimensions: Height 1 11/16 inch, Width 3 1/16 inch, A 1.300 inch

Safety and Warnings
nVent products must be installed and used only as indicated in the provided instruction sheets and training materials. Improper installation, misuse, or failure to follow instructions may cause product malfunction, property damage, serious bodily injury, or death, and may void the warranty.
Practical help
Common problems
Ensure the installation follows nVent instructions and that the tool used is compatible with the pre-assembled drive pin.
Do not exceed the ultimate static load of 15 lb, which is based on 1 inch embedment in 3,000 psi lightweight concrete.
Before use
- Verify the conduit is 3/4 inch EMT.
- Confirm the mounting surface is concrete, steel, or composite metal decking.
- Ensure you have a compatible powder-actuated or single-shot gas-actuated tool.
- Check that the drive pin is compatible with your specific nailer model (e.g., Hilti, Ramset, Powers, etc.).
Specs in practice
- Ultimate Static Load
- The maximum weight the clamp can support is 15 lb, established based on 1 inch embedment in 3,000 psi concrete.
- Conduit Size
- Designed specifically for 3/4 inch EMT conduit with an outer diameter between 0.866 and 1.181 inches.
Images and diagrams
- The diagram illustrates the dimensions W (width), H (height), A (offset), and OD (outer diameter) of the conduit clamp.
Model compatibility
- Compatible with various nailers including Powers C4CZ, Simpson GCN-MEPKT, SPIT P1000/P200/P3500, Ramset 721/Cobra/Viper, Hilti DX35/DX460/DX400, and Würth Diva-1/BST-1/BST-2.
Manual page author
David Miller
Documentation analyst
Organizes user manual content into clear summaries, with attention to model details, product context, and everyday usability.