Alarms, Security and Signaling
Audio and Video
Batteries and Accessories
Cable Trays and Struts
Chemicals, Lubricants and Paints
Conduit and Conduit Fittings
Conduit Accessories
DataComm/TeleComm
Distribution Equipment and Accessories
Electric Utility and Outside Plant Product
Electrical Boxes and Covers
Enclosures, Cabinets and Racks
Fasteners and Hardware
Fittings and Connectors
Fuses, Blocks and Holders
Grounding and Bonding
Heating, Fans, Ventilation, Vacuum
Hoses, Tubing and Fittings
Industrial Control
Janitorial and Facility Maintenance
Labels, Signs and Printers
Lamps and Lightbulbs
Lighting Controls and Ballasts
Lighting Fixtures
Material Handling, Storage and Rigging
Portable Lighting and Flashlights
Raceways, Wireways and Ducts
Safety Products and Equipment
Strut - Raceways & Power Poles
Tapes and Insulating Products
Testing and Measuring
Tools
Transformers
UPS and Power Conditioning
Wire and Cable Management
Wire, Cord and Cable
Wiring Connectors
Wiring Devices
Uncategorized
A relay is an electrical device, typically incorporating an electromagnet, which is activated by a current or signal in one circuit to open or close another circuit.
