For over 60 years the BENDER Group has provided products that Monitor, Detect, Locate and Interrupt Ground Faults in Grounded, Ungrounded and High-Resistance Grounded DC and Single & Three-phase AC systems including AC systems with DC rectified loads and variable frequency drives.

• See also:
• Masterformat 2004
• 11 57 00 - Vocational Shop Equipment
• 11 70 00 - HEALTHCARE EQUIPMENT
• 25 05 13 - Conductors and Cables for Integrated Automation
• 26 13 00 - Medium-Voltage Switchgear
• 26 13 13 - Medium-Voltage Circuit Breaker Switchgear
• 26 13 16 - Medium-Voltage Fusible Interrupter Switchgear
• 26 13 19 - Medium-Voltage Vacuum Interrupter 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 18 29 - Medium-Voltage Enclosed Bus
• 26 18 33 - Medium-Voltage Enclosed Fuse Cutouts
• 26 18 36 - Medium-Voltage Enclosed Fuses
• 26 18 39 - Medium-Voltage Motor Controllers
• 26 20 00 - LOW-VOLTAGE ELECTRICAL TRANSMISSION
• 26 28 16 - Enclosed Switches and Circuit Breakers
• 26 55 00 - Special Purpose Lighting
• 26 55 23 - Outline Lighting
• 26 55 29 - Underwater Lighting
• 26 55 33 - Hazard Warning Lighting
• 26 55 36 - Obstruction Lighting
• 26 55 53 - Security Lighting
• 26 55 59 - Display Lighting
• 26 55 61 - Theatrical Lighting
• 26 55 63 - Detention Lighting
• 26 55 70 - Healthcare Lighting
• 27 10 00 - STRUCTURED CABLING
• 27 13 23 - Communications Optical Fiber Backbone Cabling
• 27 15 23 - Communications Optical Fiber Horizontal Cabling
• 28 05 13 - Conductors and Cables for Electronic Safety and Security
• 28 30 00 - ELECTRONIC DETECTION AND ALARM
• 28 31 00 - Fire Detection and Alarm
• 28 31 46 - Smoke Detection Sensors
• 28 33 00 - Fuel-Gas Detection and Alarm
• 28 34 00 - Fuel-Oil Detection and Alarm
• 28 35 00 - Refrigerant Detection and Alarm
• 33 77 00 - Medium-Voltage Utility Switchgear and Protection Devices
• 33 77 26 - Medium-Voltage Utility Fusible Interrupter Switchgear
• 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 23 - Optical Fiber Communications Distribution Cabling
• 34 40 00 - TRANSPORTATION SIGNALING AND CONTROL EQUIPMENT
• 34 41 13 - Traffic Signals
• 34 42 13 - Railway Signals
• 34 43 13 - Airfield Signals
• 34 48 13 - Operating Bridge Signals
• 35 11 13 - Signaling Equipment for Waterways
• 35 12 13 - Marine Signaling Equipment
• 35 13 13 - Signaling Equipment for Dams
• 40 05 00 - Common Work Results for Process Integration
• 40 90 00 - INSTRUMENTATION AND CONTROL FOR PROCESS SYSTEMS
• 40 91 00 - Primary Process Measurement Devices
• 40 93 13 - Analog Controllers
• 40 93 23 - Chart Recorders
• 40 94 00 - Digital Process Controllers
• 40 95 26 - Process Control Instrument Air Piping and Devices
• 40 95 73 - Process Control Wiring
• 40 97 00 - Process Control Auxiliary Devices
• 40 97 10 - Process Control Annunciators
• 41 00 00 - MATERIAL PROCESSING AND HANDLING EQUIPMENT
• 42 00 00 - PROCESS HEATING, COOLING, AND DRYING EQUIPMENT
• 43 00 00 - PROCESS GAS AND LIQUID HANDLING, PURIFICATION, AND STORAGE EQUIPMENT
• 45 00 00 - INDUSTRY-SPECIFIC MANUFACTURING EQUIPMENT
• Masterformat 1995
• 11500 - Industrial and Process Equipment
• 11700 - Medical Equipment
• 13400 - Measurement and Control Instrumentation
• 13410 - Basic Measurement and Control Instrumentation Materials and Methods
• 13440 - Indicators, Recorders, And Controllers
• 13550 - Transportation Control Instrumentation
• 13850 - Detection and Alarm
• 16330 - Medium-Voltage Switching and Protection
• 16340 - Medium-Voltage Switching and Protection As
• 16400 - Low-Voltage Distribution
• 16410 - Enclosed Switches and Circuit Breakers
• 16550 - Special-Purpose Lighting
• 16560 - Signal Lighting