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Networking
- Bulk Ethernet Cables
  
  CAT5E Bulk Ethernet Cable
  CAT6 Bulk Ethernet Cable
  CAT6A Bulk Ethernet Cable
  CAT7/CAT7A Bulk Ethernet Cable
  CAT8 Bulk Ethernet Cable
- Bundled Cable
- Computer Cables
  
  Display Port Cable
  Mini Gender Changer
  Null Modem Cable
  SVGA Cable
  USB Accessories
  USB Cables
- Ethernet Switches and Splitters
  
  Business Switches
  Ethernet Splitter
  Home Switches
  Switch Accessories
- Industrial Specialty Cables
- Keystone Jacks
  
  Blank Keystone Inserts
  CAT5E Keystone Jack
  CAT6 Keystone Jack
  CAT6A Keystone Jack
  CAT8 Keystone Jack
- LAN Stations
  
  4-Post LAN / Work Benches
  LAN Station 100 Series
  LAN Station 200 Series
  LAN Station 300 Series
  LAN Station 400 Series
  LAN Station Accessories
  Training Tables, Work Stations
- Patch Cables
  
  CAT5E Ethernet Patch Cable
  CAT6 Ethernet Patch Cable
  CAT6A Ethernet Patch Cable
  CAT7 Ethernet Patch Cable
  CAT8 Ethernet Patch Cable
- Patch Panels
  
  Blank Keystone Patch Panels
  CAT5E Patch Panels
  CAT6 Patch Panels
  CAT6A Patch Panels
- PE-89 Outdoor Cable
- RJ45 Connectors and Boots
  
  RJ45 Modular Plugs
  RJ45 Slip-On Boots
- Racks, Cabinets, and Enclosures
  
  Racks
  Cabinets
  Enclosures
  Lacing Bars and Ducts
  Ladder Racks
  Rack Accessories
  Rack Shelves, Drawers, and Trays
- Structured Media Network
  
  Structured Media Cabinets
  Structured Media Modules
- Surface Mount Boxes
  
  CAT5E Surface Mount Boxes
  CAT6 Surface Mount Boxes
  Junction Box
  RJ45 Voice Surface Mount Boxes
  RJ11 Surface Mount Boxes
  RJ12 Surface Mount Boxes
  Unloaded Surface Mount Box
- Telecommunications Products
  
  CAT3 Phone Cable
  Telephone Cable
  Cross Connect Wire
  Amphenol Cables
  CAT3 Keystone Jacks
  RJ11, RJ12 & RJ22 Connectors
  Splicing Connectors
  Telephone Wall Plate
  Telco Surface Mount Boxes
  Telco Block
  Telco Patch Panel
  Telco Splitter
  Cellular Systems
- Wall Plates and Brackets
  
  Wall Plates
  Drywall Bracket and Mud Rings
- Wireless Applications
  
  Routers
  Smart Home Products
  WiFi Extenders
  Wireless Accessories
Fiber
Coaxial
- Coaxial Cable Connectors
  
  RG6 Connectors
  RG11 Connectors
  RG59 Connectors
- Coaxial Keystone Jacks
- Coaxial Patch Cable
- Coaxial Splitters
- Coaxial Wall Plates
- LMR® Equal RF Coaxial Cable
- Outdoor Bulk Coaxial Cable
- RG6 Bulk Coaxial Cable
  
  RG6 Bulk CATV Coaxial Cable
  RG6 Bulk CCTV Coaxial Cable
  RG6 Bulk CATV Plenum Coaxial Cable
  RG6 Bulk CCTV Plenum Coaxial Cable
  RG6 Bulk Outdoor Coaxial Cable
- RG11 Bulk Coaxial Cable
- RG59 Bulk Coax Cable
  
  RG59 Bulk Indoor Cable
  RG59 Bulk Outdoor Cable
  RG59 Bulk Plenum Cable
  RG59 Bulk Siamese Cable
Security
- Security Alarm
  
  Security Alarm Cable
  Security Power
  Security Sensors & Switches
- Fire Alarm Cable
- Smart Home Security
  
  Smart Home Accessories
  Smart Home Cameras
  Smart Home Lighting
  Smart Home Plugs
- Video Surveillance
  
  Surveillance Cables
  Cameras
  Camera Housing & Mounts
  Surveillance Mounts
  Surveillance Video Recorders
  Baluns
- Gates
  
  Access Control Systems
  Control Cables
  Gate Hardware
Home A/V
- Audio / Video Keystone Jacks
- Drywall Brackets & Wall Plates
  
  Cable Entrance Plates
  Coaxial Wall Plates
  Drywall Brackets
  Empty Wall Plates
  VGA Wall Plates
  HDMI Wall Plates
- Drywall TV Boxes
- HDMI Accessories
  
  DVI / VGA / HDMI Adapters & Converters
  HDMI Keystone
  HDMI/VGA Extender
  HDMI / VGA Splitters
- HDMI Cable
- Projector Ceiling & Wall Mounts
- Audio Cable
- Satellite Coax Splitters
- Speaker Mounts & Stands
- Tablet Stands & Charging Station
- TV Ceiling & Wall Mounts
  
  Fixed Mounts
  Full-Motion Mounts
  Tilt Mounts
  TV Mount Accessories
Electrical
- Computer Power Cords
- Electrical Accessories
- Electrical Boxes & Covers
  
  Electrical Floor Boxes
  Electrical Wall Boxes
- Power Outlets
- Thermostat Wire
- Wire Holders
Conduit
- Conduit Accessories
  
  Conduit Bushings & Locknuts
  Conduit Caps and Plugs
  Cement / Glue / Duct Seal
  Conduit Hanging Hardware
  Conduit Support
  Our Duct Spacers
  Roof Flashing
- EMT Conduit
  
  Conduit EMT Couplers
  Conduit EMT Fittings & Connectors
  EMT Conduit Bodies / Junction Boxes
- Flexible Armored Conduit
  
  Flexible Conduit Fittings / Connectors
  Our Flexible Armored Tubing
- Innerduct Conduit
  
  Corrugated Innerduct
  Innerduct Fittings
  Split Loom Tubing
- Schedule 40 Conduit
  
  Schedule 40 Conduit Bodies / Junction Boxes
  Schedule 40 Conduit Couplers
  Schedule 40 Conduit Elbows
  Schedule 40 Conduit Fittings & Connectors
  Schedule 40 Straight Conduit
Cable Management
- Fasteners
  
  Cable Ties
  Cable Tie Mounts
  Hook and Loop
  Sleeves and Wraps
- Hanging Hardware Solutions
  
  Aerial Hardware
  Clamps
  Clips
  Holders
  Installation Components
  J Hooks
  Mounts and Spacers
  Rings
- Cable Management Systems
  
  Raceways
  Wire Cable Trays
  Ladder Racks
  Lacing Bars and Ducts
  Fiber Cable Trays
- Racks, Cabinets, and Enclosures
  
  Racks
  Cabinets
  Enclosures
  Rack Accessories
  Rack Shelves, Drawers, and Trays
- Slack Storage
Tools
- Cable Caddy
- Cable Installation Tools
  
  Cable Cleaners and Lubricants
  Cable Fishing & Pulling Accessories
  Cable Fishing Rods
  Cable Pulling Rope
  Cable Pulling Tape
  Drill Bits & Augers
  Extender Poles & Accessories
- Cleavers
- Fusion Splicers
- Hand Tools
  
  Conduit Tools
  Crimpers
  Cutters & Strippers
  Pliers
  Punchdowns
  Removal Tools
  Screwdrivers
  Specialty Tools
- Testers
  
  Audio/Video Cable Testers
  Coaxial Cable Testers
  Fiber Testers
  LAN Testers
  Tone Testers
- Tool Kits
  
  Coaxial Tool Kits
  Fiber Optic Tool Kits
  Networking Tool Kits
Made in USA
- Cable Management
  
  Cable Management Accessories
  Cable Runway Systems
  Rack Accessories
  Wire Cable Trays
- CAT5E Ethernet Cable
- CAT6 Ethernet Cable
- Coaxial Cable
  
  Broadband CATV Coaxial Cables
- Communication and Control Cable
- Drywall Brackets
- Fiber Optic Networking
  
  Bulk Fiber Optic Cables
  Fiber Adapter Panels
  Fiber Closures & Pedestals
  Fiber Management
  Fiber Patch Panels
  Splice Trays
  Tracer Tape
  Wall Mount Enclosures
- Fire Alarm Cable
- Industry Equals
- Repel Communication Cable
- Security Alarm Cable Stranded
- Security Alarm Sensors and Switches
  
  Contact Switch Magnets
  Magnetic Reed Switches
- Server Racks & Enclosures
  
  Open Frame & Wall Rack Systems
  Rack Cable Management
  Rack Accessories
  View Our Server Enclosures
- Tools
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Networking
- Bulk Ethernet Cables
  
  CAT5E Bulk Ethernet Cable
  CAT6 Bulk Ethernet Cable
  CAT6A Bulk Ethernet Cable
  CAT7/CAT7A Bulk Ethernet Cable
  CAT8 Bulk Ethernet Cable
- Bundled Cable
- Computer Cables
  
  Display Port Cable
  Mini Gender Changer
  Null Modem Cable
  SVGA Cable
  USB Accessories
  USB Cables
- Ethernet Switches and Splitters
  
  Business Switches
  Ethernet Splitter
  Home Switches
  Switch Accessories
- Industrial Specialty Cables
- Keystone Jacks
  
  Blank Keystone Inserts
  CAT5E Keystone Jack
  CAT6 Keystone Jack
  CAT6A Keystone Jack
  CAT8 Keystone Jack
- LAN Stations
  
  4-Post LAN / Work Benches
  LAN Station 100 Series
  LAN Station 200 Series
  LAN Station 300 Series
  LAN Station 400 Series
  LAN Station Accessories
  Training Tables, Work Stations
- Patch Cables
  
  CAT5E Ethernet Patch Cable
  CAT6 Ethernet Patch Cable
  CAT6A Ethernet Patch Cable
  CAT7 Ethernet Patch Cable
  CAT8 Ethernet Patch Cable
- Patch Panels
  
  Blank Keystone Patch Panels
  CAT5E Patch Panels
  CAT6 Patch Panels
  CAT6A Patch Panels
- PE-89 Outdoor Cable
- RJ45 Connectors and Boots
  
  RJ45 Modular Plugs
  RJ45 Slip-On Boots
- Racks, Cabinets, and Enclosures
  
  Racks
  Cabinets
  Enclosures
  Lacing Bars and Ducts
  Ladder Racks
  Rack Accessories
  Rack Shelves, Drawers, and Trays
- Structured Media Network
  
  Structured Media Cabinets
  Structured Media Modules
- Surface Mount Boxes
  
  CAT5E Surface Mount Boxes
  CAT6 Surface Mount Boxes
  Junction Box
  RJ45 Voice Surface Mount Boxes
  RJ11 Surface Mount Boxes
  RJ12 Surface Mount Boxes
  Unloaded Surface Mount Box
- Telecommunications Products
  
  CAT3 Phone Cable
  Telephone Cable
  Cross Connect Wire
  Amphenol Cables
  CAT3 Keystone Jacks
  RJ11, RJ12 & RJ22 Connectors
  Splicing Connectors
  Telephone Wall Plate
  Telco Surface Mount Boxes
  Telco Block
  Telco Patch Panel
  Telco Splitter
  Cellular Systems
- Wall Plates and Brackets
  
  Wall Plates
  Drywall Bracket and Mud Rings
- Wireless Applications
  
  Routers
  Smart Home Products
  WiFi Extenders
  Wireless Accessories
Fiber
Coaxial
- Coaxial Cable Connectors
  
  RG6 Connectors
  RG11 Connectors
  RG59 Connectors
- Coaxial Keystone Jacks
- Coaxial Patch Cable
- Coaxial Splitters
- Coaxial Wall Plates
- LMR® Equal RF Coaxial Cable
- Outdoor Bulk Coaxial Cable
- RG6 Bulk Coaxial Cable
  
  RG6 Bulk CATV Coaxial Cable
  RG6 Bulk CCTV Coaxial Cable
  RG6 Bulk CATV Plenum Coaxial Cable
  RG6 Bulk CCTV Plenum Coaxial Cable
  RG6 Bulk Outdoor Coaxial Cable
- RG11 Bulk Coaxial Cable
- RG59 Bulk Coax Cable
  
  RG59 Bulk Indoor Cable
  RG59 Bulk Outdoor Cable
  RG59 Bulk Plenum Cable
  RG59 Bulk Siamese Cable
Security
- Security Alarm
  
  Security Alarm Cable
  Security Power
  Security Sensors & Switches
- Fire Alarm Cable
- Smart Home Security
  
  Smart Home Accessories
  Smart Home Cameras
  Smart Home Lighting
  Smart Home Plugs
- Video Surveillance
  
  Surveillance Cables
  Cameras
  Camera Housing & Mounts
  Surveillance Mounts
  Surveillance Video Recorders
  Baluns
- Gates
  
  Access Control Systems
  Control Cables
  Gate Hardware
Home A/V
- Audio / Video Keystone Jacks
- Drywall Brackets & Wall Plates
  
  Cable Entrance Plates
  Coaxial Wall Plates
  Drywall Brackets
  Empty Wall Plates
  VGA Wall Plates
  HDMI Wall Plates
- Drywall TV Boxes
- HDMI Accessories
  
  DVI / VGA / HDMI Adapters & Converters
  HDMI Keystone
  HDMI/VGA Extender
  HDMI / VGA Splitters
- HDMI Cable
- Projector Ceiling & Wall Mounts
- Audio Cable
- Satellite Coax Splitters
- Speaker Mounts & Stands
- Tablet Stands & Charging Station
- TV Ceiling & Wall Mounts
  
  Fixed Mounts
  Full-Motion Mounts
  Tilt Mounts
  TV Mount Accessories
Electrical
- Computer Power Cords
- Electrical Accessories
- Electrical Boxes & Covers
  
  Electrical Floor Boxes
  Electrical Wall Boxes
- Power Outlets
- Thermostat Wire
- Wire Holders
Conduit
- Conduit Accessories
  
  Conduit Bushings & Locknuts
  Conduit Caps and Plugs
  Cement / Glue / Duct Seal
  Conduit Hanging Hardware
  Conduit Support
  Our Duct Spacers
  Roof Flashing
- EMT Conduit
  
  Conduit EMT Couplers
  Conduit EMT Fittings & Connectors
  EMT Conduit Bodies / Junction Boxes
- Flexible Armored Conduit
  
  Flexible Conduit Fittings / Connectors
  Our Flexible Armored Tubing
- Innerduct Conduit
  
  Corrugated Innerduct
  Innerduct Fittings
  Split Loom Tubing
- Schedule 40 Conduit
  
  Schedule 40 Conduit Bodies / Junction Boxes
  Schedule 40 Conduit Couplers
  Schedule 40 Conduit Elbows
  Schedule 40 Conduit Fittings & Connectors
  Schedule 40 Straight Conduit
Cable Management
- Fasteners
  
  Cable Ties
  Cable Tie Mounts
  Hook and Loop
  Sleeves and Wraps
- Hanging Hardware Solutions
  
  Aerial Hardware
  Clamps
  Clips
  Holders
  Installation Components
  J Hooks
  Mounts and Spacers
  Rings
- Cable Management Systems
  
  Raceways
  Wire Cable Trays
  Ladder Racks
  Lacing Bars and Ducts
  Fiber Cable Trays
- Racks, Cabinets, and Enclosures
  
  Racks
  Cabinets
  Enclosures
  Rack Accessories
  Rack Shelves, Drawers, and Trays
- Slack Storage
Tools
- Cable Caddy
- Cable Installation Tools
  
  Cable Cleaners and Lubricants
  Cable Fishing & Pulling Accessories
  Cable Fishing Rods
  Cable Pulling Rope
  Cable Pulling Tape
  Drill Bits & Augers
  Extender Poles & Accessories
- Cleavers
- Fusion Splicers
- Hand Tools
  
  Conduit Tools
  Crimpers
  Cutters & Strippers
  Pliers
  Punchdowns
  Removal Tools
  Screwdrivers
  Specialty Tools
- Testers
  
  Audio/Video Cable Testers
  Coaxial Cable Testers
  Fiber Testers
  LAN Testers
  Tone Testers
- Tool Kits
  
  Coaxial Tool Kits
  Fiber Optic Tool Kits
  Networking Tool Kits
Made in USA
- Cable Management
  
  Cable Management Accessories
  Cable Runway Systems
  Rack Accessories
  Wire Cable Trays
- CAT5E Ethernet Cable
- CAT6 Ethernet Cable
- Coaxial Cable
  
  Broadband CATV Coaxial Cables
- Communication and Control Cable
- Drywall Brackets
- Fiber Optic Networking
  
  Bulk Fiber Optic Cables
  Fiber Adapter Panels
  Fiber Closures & Pedestals
  Fiber Management
  Fiber Patch Panels
  Splice Trays
  Tracer Tape
  Wall Mount Enclosures
- Fire Alarm Cable
- Industry Equals
- Repel Communication Cable
- Security Alarm Cable Stranded
- Security Alarm Sensors and Switches
  
  Contact Switch Magnets
  Magnetic Reed Switches
- Server Racks & Enclosures
  
  Open Frame & Wall Rack Systems
  Rack Cable Management
  Rack Accessories
  View Our Server Enclosures
- Tools
<i class="fa fa-tags" aria-hidden="true"></i> Specials
What's New?

Item added to your cart

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Collection: Magnetic Sensors

Magnetic Sensors

The Magnetic Sensor is a device that detects changes in magnetic flux density. Such change in magnetic properties is utilized in security devices such as reed switches. We offer a wide selection of mighty earth magnets and recessed magnetic switches to help you secure your perimeter.

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$10-$25

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$300-$400

Over $400

Alarmed Window Bar - Fits Windows 30" - 42"
WB-30-42

Regular price $51.96 USD

Regular price Sale price $51.96 USD
Unit price per

Alarmed Window Bar - Fits Windows 30" - 42"

WB-30-42

Vendor:
GRI
AA Dual Function Series Switch
AA29P-W

Regular price From $81.86 USD

Regular price Sale price From $81.86 USD
Unit price per

AA Dual Function Series Switch

AA29P-W

Vendor:
GRI
Dual Function Switch, 2 A Form Reeds, 3/4" Recessed Steel Door, 4 C Jacketed Cable (UL 10C Fire Rated)
AA180-B

Regular price From $260.80 USD

Regular price Sale price From $260.80 USD
Unit price per

Dual Function Switch, 2 A Form Reeds, 3/4" Recessed Steel Door, 4 C Jacketed Cable (UL 10C Fire Rated)

AA180-B

Vendor:
GRI
AC Dual Function Series Switch Set
AC180-W

Regular price From $231.00 USD

Regular price Sale price From $231.00 USD
Unit price per

AC Dual Function Series Switch Set

AC180-W

Vendor:
GRI
Magnets In Cases - 100 Pack
M-SASH-W

Regular price From $132.00 USD

Regular price Sale price From $132.00 USD
Unit price per

Magnets In Cases - 100 Pack

M-SASH-W

Vendor:
GRI
Magnets In Extruded Aluminum Cases, Wall Mount, 3 1/4" Or 3 3/4" x 1 1/8"
M-250

Regular price From $11.38 USD

Regular price Sale price From $11.38 USD
Unit price per

Magnets In Extruded Aluminum Cases, Wall Mount, 3 1/4" Or 3 3/4" x 1 1/8"

M-250

Vendor:
GRI
Industrial Aluminum Housing Magnets In Cases - 3.10" x 2.14" - 100 Pack
M4532

Regular price $748.00 USD

Regular price Sale price $748.00 USD
Unit price per

Industrial Aluminum Housing Magnets In Cases - 3.10" x 2.14" - 100 Pack

M4532

Vendor:
GRI
Mighty Mag Rare Earth Magnet In Case, 0.22" x 0.46" x 0.96" - 10 Pack/ 100 Pack
CMMF-875-B-10

Regular price From $41.00 USD

Regular price Sale price From $41.00 USD
Unit price per

Mighty Mag Rare Earth Magnet In Case, 0.22" x 0.46" x 0.96" - 10 Pack/ 100 Pack

CMMF-875-B-10

Vendor:
GRI
Mighty Mag Rare Earth Magnets (Flat) - 10 Pack
MM-45

Regular price From $8.60 USD

Regular price Sale price From $8.60 USD
Unit price per

Mighty Mag Rare Earth Magnets (Flat) - 10 Pack

MM-45

Vendor:
GRI
Concealed Concrete Switch Sets - 4510A Series
4510A

Regular price From $50.42 USD

Regular price Sale price From $50.42 USD
Unit price per

Concealed Concrete Switch Sets - 4510A Series

4510A

Vendor:
GRI
Extended Gap Surface Mount Switch Sets - 200WG Series
200-36WG

Regular price From $66.34 USD

Regular price Sale price From $66.34 USD
Unit price per

Extended Gap Surface Mount Switch Sets - 200WG Series

200-36WG

Vendor:
GRI
Mini Curtain Door Switch Sets - 4612 Series
4612

Regular price From $52.12 USD

Regular price Sale price From $52.12 USD
Unit price per

Mini Curtain Door Switch Sets - 4612 Series

4612

Vendor:
GRI
Special Purpose Pull Apart Surface Mount Reed Switch Set - 4704 Series
4704-A

Regular price From $33.18 USD

Regular price Sale price From $33.18 USD
Unit price per

Special Purpose Pull Apart Surface Mount Reed Switch Set - 4704 Series

4704-A

Vendor:
GRI
Miniature Aluminum Commercial Surface Mount Switch Set - 4460 Series, 10/pack
4462A

Regular price From $133.20 USD

Regular price Sale price From $133.20 USD
Unit price per

Miniature Aluminum Commercial Surface Mount Switch Set - 4460 Series, 10/pack

4462A

Vendor:
GRI
Industrial Track Mount Switch Set - 4700-A Series
4700-A

Regular price From $75.38 USD

Regular price Sale price From $75.38 USD
Unit price per

Industrial Track Mount Switch Set - 4700-A Series

4700-A

Vendor:
GRI
Super Miniature Surface Mount Switch Sets - 505 Series - 10 Pack
505-W

Regular price From $51.40 USD

Regular price Sale price From $51.40 USD
Unit price per

Super Miniature Surface Mount Switch Sets - 505 Series - 10 Pack

505-W

Vendor:
GRI
Standard Surface Mount Switch Sets - 28/29 Series - 10 Pack
28A-W

Regular price From $51.40 USD

Regular price Sale price From $51.40 USD
Unit price per

Standard Surface Mount Switch Sets - 28/29 Series - 10 Pack

28A-W

Vendor:
GRI
Rare Earth Window Channel Magnet - 10 Pack
MC-25

Regular price $26.00 USD

Regular price Sale price $26.00 USD
Unit price per

Rare Earth Window Channel Magnet - 10 Pack

MC-25

Vendor:
GRI
3/8" Flat Magnet Recessed Switch Sets - 5088 Series - 10 /Pack
5088

Regular price From $44.40 USD

Regular price Sale price From $44.40 USD
Unit price per

3/8" Flat Magnet Recessed Switch Sets - 5088 Series - 10 /Pack

5088

Vendor:
GRI
Alnico V Bare Magnet 1/8in x 3/8in x 7/8in w/ Adhesive Tape - 10 Pack
MF-875

Regular price $158.00 USD

Regular price Sale price $158.00 USD
Unit price per

Alnico V Bare Magnet 1/8in x 3/8in x 7/8in w/ Adhesive Tape - 10 Pack

MF-875

Vendor:
GRI

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