Electrical Suppliers.

• See also:
• Masterformat 2004
• 21 00 00 - FIRE SUPPRESSION
• 21 05 23 - General-Duty Valves for Water-Based Fire-Suppression Piping
• 21 11 00 - Facility Fire-Suppression Water-Service Piping
• 21 20 00 - FIRE-EXTINGUISHING SYSTEMS
• 22 05 23 - General-Duty Valves for Plumbing Piping
• 22 11 00 - Facility Water Distribution
• 22 13 16 - Sanitary Waste and Vent Piping
• 22 14 13 - Facility Storm Drainage Piping
• 23 05 23 - General-Duty Valves for HVAC Piping
• 23 05 93 - Testing, Adjusting, and Balancing for HVAC
• 23 08 00 - Commissioning of HVAC
• 23 09 13 - Instrumentation and Control Devices for HVAC
• 23 20 00 - HVAC PIPING AND PUMPS
• 23 21 23 - Hydronic Pumps
• 23 30 00 - HVAC AIR DISTRIBUTION
• 23 52 00 - Heating Boilers
• 23 52 16 - Condensing Boilers
• 23 52 19 - Pulse Combustion Boilers
• 23 52 23 - Cast-Iron Boilers
• 23 52 33 - Water-Tube Boilers
• 23 52 39 - Fire-Tube Boilers
• 26 26 00 - Power Distribution Units
• 27 30 00 - VOICE COMMUNICATIONS
• 27 50 00 - DISTRIBUTED COMMUNICATIONS AND MONITORING SYSTEMS
• 33 82 00 - Communications Distribution
• 34 40 00 - TRANSPORTATION SIGNALING AND CONTROL EQUIPMENT
• 40 90 00 - INSTRUMENTATION AND CONTROL FOR PROCESS SYSTEMS
• Masterformat 1995
• 13400 - Measurement and Control Instrumentation
• 13550 - Transportation Control Instrumentation
• 13900 - Fire Suppression
• 15100 - Building Services Piping
• 15105 - Pipes and Tubes
• 15110 - Valves
• 15130 - Pumps
• 15510 - Heating Boilers and Accessories
• 15800 - Air Distribution
• 15905 - HVAC Instrumentation
• 15950 - Testing, Adjusting, Balancing
• 16470 - Power Distribution Units
• 16720 - Telephone and Intercommunication Equipment