A leading supplier of electrical wiring devices and accessories.

• See also:
• Masterformat 2004
• 26 05 26 - Grounding and Bonding for Electrical Systems
• 26 10 00 - MEDIUM-VOLTAGE ELECTRICAL DISTRIBUTION
• 26 13 00 - Medium-Voltage Switchgear
• 26 18 00 - Medium-Voltage Circuit Protection Devices
• 26 18 13 - Medium-Voltage Cutouts
• 26 18 16 - Medium-Voltage Fuses
• 26 18 19 - Medium-Voltage Lightning Arresters
• 26 18 23 - Medium-Voltage Surge Arresters
• 26 18 26 - Medium-Voltage Reclosers
• 26 20 00 - LOW-VOLTAGE ELECTRICAL TRANSMISSION
• 26 24 00 - Switchboards and Panelboards
• 26 27 00 - Low-Voltage Distribution Equipment
• 26 27 26 - Wiring Devices
• 27 30 00 - VOICE COMMUNICATIONS
• 27 50 00 - DISTRIBUTED COMMUNICATIONS AND MONITORING SYSTEMS
• 33 71 00 - Electrical Utility Transmission and Distribution
• 33 77 00 - Medium-Voltage Utility Switchgear and Protection Devices
• 33 77 33 - Medium-Voltage Utility Cutouts
• 33 77 36 - Medium-Voltage Utility Fuses
• 33 77 39 - Medium-Voltage Utility Surge Arresters
• 33 77 53 - Medium-Voltage Utility Reclosers
• 33 82 00 - Communications Distribution
• 40 91 00 - Primary Process Measurement Devices
• 40 93 13 - Analog Controllers
• 40 93 23 - Chart Recorders
• 40 94 00 - Digital Process Controllers
• 40 97 00 - Process Control Auxiliary Devices
• 40 97 10 - Process Control Annunciators
• Masterformat 1995
• 13440 - Indicators, Recorders, And Controllers
• 16060 - Grounding and Bonding
• 16140 - Wiring Devices
• 16300 - Transmission and Distribution
• 16330 - Medium-Voltage Switching and Protection
• 16440 - Switchboards, Panelboards, and Control Cen
• 16490 - Components and Accessories
• 16720 - Telephone and Intercommunication Equipment