MasterFormat® Specifications
Downloadable CPI specifications for cabinets, racks, cable management, grounding, and wireless enclosures — organized by CSI MasterFormat® section.
What Is MasterFormat® 2016?
MasterFormat® 2016, a product of the Construction Specifications Institute (CSI), is a widely used standard for documenting project requirements on commercial and institutional building projects in the United States and Canada.
The MasterFormat is organized by divisions and sections. Each division addresses a different set of requirements for the construction project.
- Division 26 addresses electrical construction and covers areas such as cable tray and industrial enclosures.
- Division 27 specifically addresses communications construction, providing specifications and instructions for areas such as data, voice, audio, video, cabling, enclosures, grounding and bonding.
How to Use Chatsworth Products's Product Specifications
The links below provide reference specifications for CPI products under Division 26 and 27. There are also hidden specifiers notes to assist in product selection. Download the files that you need and modify them to match your specific requirements.
CPI also offers BIM Revit drawings on the CPI website or the bimobject® website (formerly Autodesk Seek) including models that make creating runway and tray pathways easy, as well as aisle containment doors and ducts.
Quick Reference: Specification Sections
Each specification's full product list is available further down the page.
Section | Title | Format | Download |
|---|---|---|---|
27 05 26 | Grounding and Bonding for Communications Systems | DOCX | |
27 11 16 | Communications Cabinets, Racks, Frames and Enclosures | DOCX | |
27 11 23 | Cable Management and Ladder Rack | DOCX | |
27 11 26 | Communications Rack Mounted Power Protection and Power Strips | DOCX | |
26 27 16 | Electrical Cabinets and Enclosures | DOCX | |
27 21 33 | Data Communications Wireless Access Points | DOCX |
Section 27 05 26: Grounding and Bonding for Communications Systems
This document provides minimum composition requirements and installation methods for the following:
- Primary Busbar (PBB)
- Secondary Busbar (SBB)
- Rack Busbar (RBB)
- Bonding Jumpers and Straps
- Compression Lugs
- Compression Taps
- Pedestal Clamps
- Pipe Clamps
- Antioxidant Joint Compound
Download Section 27 05 26 Specification (DOCX)–>
Section 27 11 16: Communications Cabinets, Racks, Frames and Enclosures
These documents provide minimum composition requirements and installation methods for the following:
- ZetaFrame™ Cabinet System
- Thermal Management Accessories
- Cable Management Accessories
- Power Management Accessories
- Environmental Monitoring For Cabinets
- CUBE-iT™ Cabinet System
- ThinLine II Wall-Mount Cabinet
- Standard Wall-Mount Cabinet
- Hot and Cold Aisle Containment Enclosures (HAC/CAC)
- Rack Systems
- Consolidation Point Enclosures
- Telecommunications Enclosures
- Wireless Enclosures
Download Section 27 11 16 Specification (DOCX) ->
Section 27 11 23: Cable Management and Ladder Rack
This document provides minimum composition requirements and installation methods for the following:
- Vertical Cable Management for Rack Systems
- Horizontal Cable Management for Rack Systems
- Ladder Rack (Cable Runway)
Download Section 27 11 23 Specification (DOCX) ->
Section 27 11 26: Communications Rack Mounted Power Protection and Power Strips
This document provides minimum composition requirements and installation methods for the following:
- Rack-Mounted Power Distribution Units
Download Section 27 11 26 Specification (DOCX)->
Section 26 27 16: Electrical Cabinets and Enclosures
This document provides minimum composition requirements and installation methods for the following:
- RMR Fixed Wall-Mounted Enclosure.
- RMR Swing Wall-Mounted Enclosure.
- RMR Floor-Mount Enclosures
- RMR Free-Standing Enclosures
- RMR Standard Wall-Mount Enclosures
- RMR Flange-Mount Disconnect Enclosures
Download Section 26 27 16 Specification (DOCX)->
Section 27 21 33: Data Communications Wireless Access Points
This document provides minimum composition requirements and installation methods for the following:
- In-Plane™ - Panel, Suspended and Hard Ceiling Recess Mounts
- H-Plane™ - Open Ceiling and Right-Angle Wall Mounts
- Hi-Bar™ - Wall and Hard-Ceiling Surface Mounts
- M-Frame™ - Modular Wireless Mounting Platform
- Skybar™ - Outdoor and Public Venue Access Point Enclosures
- Wi-Tile™ - Suspended and Hard Ceiling Locking Enclosures
- NetPoint™ - Wireless Bollards For Outdoor and Public Venues
- Retrofit Doors and Trims – Replacement Doors and Trims
- AP Covers – Vanity Covers for Existing Products
Technical Support
Contact Technical Support if you have questions about products & installation or consultation services.