Division 26 - Electrical

​​​​​​​​DISC​​​​LAIMER: These files are intended for use by consultants to the State of Wisconsin and by others for construction and remodeling of State owned facilities. The State of Wisconsin bears no liability nor responsibility for any other use of these files.​

At the ​start of each project, consultants must download the current revision of all files that apply to the project. 

Multiple files may be downloaded simultaneously using DFD's File Transfer Protocol (FTP) site. To access the FTP site, open your File Explorer program and type ftp://doaftp1380.wi.gov/master_spec​ into the address bar. Please note that Division 01 files are not available on the FTP site.


​Des​​ign Guidelines

​File​

​​Revision Date

​​​​Electrical System Standards and Design Guidelines​

​3/1/2023


​​​Speci​​fica​tions

File​​​

Revision Date

26 05 00 - Common Work Results for Electrical

12/26/2023​

26 05 02 - ​Electrical Demolition for Remodeling

​3/1/2021

26 05 04 - Cleaning, Inspection, and Testing Electrical Equipment

​3/1/2023

26 05 13 - Medium-Voltage Cables

12/26/2023

26 05 19 - ​Low-Voltage Electrical Power Conductors and Cables​

​12/22/2021

26 05 23 - Control-Voltage Electrical Power Cables

3/1/2021

26 05 26 - Grounding and Bonding for Electrical Systems

3/1/2023​

26 05 29 - ​Hangers and Supports for Electrical Systems

3/1/2023​

26 05 33 - Raceway and Boxes for Electrical Systems

3/1/2023​

​​26 05 34 - ​Underground HDPE Pathways for Electrical Systems

​3/1/2021

26 05 36 - Cable Trays for Electrical Systems

3/1/2021

26 05 43 - Underground Ducts and Raceways for Electrical Systems

3/1/2023

​26 05 44 - ​Manholes

​3/1/2023

​26 05 53 - ​Identification for Electrical Systems

3/1/2023

26 05 73 - ​Short Circuit/Coordination Study and Arc Flash Risk Assessment

7/1/2021

26 08 00 - Commissioning of Electrical​

​3/1/2021

26 09 19 - Enclosed Contactors

​3/1/2021

26 09 28 - Lighting Control Panels

3/1/2021

​26 09 43 - Distributed Digital Lighting Controls

3/1/2023​

26 12 13 - ​Medium-Voltage Transformers, Liquid-Filled, Substation Style (Indoor​)

​3/1/2023

​26 12 16 - Medium-Voltage Transformers, Dry-Type (Indoor)​

​3/1/2023

​26 12 19 - Medium-Voltage Transformers, Liquid-Filled, Pad-Mounted (Outdoor)

​3/1/2021

​26 13 02 - ​Medium-Voltage Pad Mounted Switchgear (Outdoor)

​3/1/2021

26 13 16 - Medium-Voltage Fusible Interrupter Switchgear

​3/1/2021

​26 18 23 - ​Medium-Voltage Surge Arresters

​3/1/2023

26 22 00 - ​Low-Voltage Transformers

3/1/2021

26 24 13 - Switchboards

3/1/2023​

​26 24 16 - ​Panelboards

3/1/2023​

26 27 02 - ​Equipment Wiring Systems

​3/1/2023

​26 27 13 - ​Electricity Metering

3/1/2023​

​26 27 26 - ​Wiring Devices

3/1/2023​

​26 27 28 - ​Disconnect Switches

3/21/2022​

26 27 29 - Elevator Distribution Equipment

​3/1/2023

26 28 13 - Fuses

3/1/2021

26 28 16 - Enclosed Switches and Circuit Breakers

​3/1/2021

26 29 00 - Low-Voltage Controllers​

3/1/2021

26 32 13.13 - ​Engine-Driven Generator Sets - Diesel

3/1/2023

26 32 13.16 - ​Engine-Driven Generator Sets - Natural Gas (LP)

​3/1/2023

26 36 00 - Transfer Switches

11/13/2023

26 41 13.13 - ​Lightning Protection for Buildings

3/1/2023​

26 41 13.14 - ​Lightning Protection for Buildings - Roof Level Upgrade

3/1/2023​

26 43 13 - Surge Protective Devices for Low-Voltage Electrical Power Circuits

​3/1/2021

26 51 13 - Interior Lighting Fixtures, Lamps, and Ballasts

3/21/2022​

26 56 29 - ​Site Lighting

​​3/1/2021

​​

Det​​ails

​File​​

​​Revision​​ Date

26 05 23 - ​Control-Voltage Electrical Power Cable Details

​​3/1/2021

26 05 26 - Grounding and Bonding for Electrical Systems Details

​3/1/2021

26 05 33 - ​Raceway and Boxes for Electrical Systems Details​

3/1/2021​

​​26 05 43 - Underground Ducts and Raceways for Electrical Systems Details

​3/1/2021

26 05 44 - Manhole Details

​9/12/2023

26 09 43 - Distributed Digital Lighting Controls Details

​3/1/2021

26 12 19 - ​Medium-Voltage Transformers, Liquid-Filled, Pad-Mounted Details​

​3/1/2021

26 13 02 - Medium-Voltage Pad Mounted Switchgear Details

​3/1/2021

26 27 13 - ​​Electricity Metering Details

​3/1/2021

26 27 26 - ​Wiring Device Details

​3/1/2021

26 51 13 - ​Interior Lighting Fixtures, Lamps, and Ballasts Details​​​​

​3/1/2021

​26 56 29 - Site Lighting Details​

​​3/21/2022​

Typical Equipment Naming Conventions

​3/1/2021

Typical Equipment Wiring Schedule

​3/1/2021

Typical Luminaire Schedule

​3/1/2021

​​​Typical One-Line Diagram

​3/1/2021

​​​​Typical Panel Naming Conventions

​3/1/2021

Typical Panelboard Schedule

​3/1/2021