Skip to content
Holiday Hours – Closing at 12pm ET: Dec 24 & Dec 31 · Closed: Dec 25–26 & Jan 1–2
Holiday Hours – Closing at 12pm ET: Dec 24 & Dec 31 · Closed: Dec 25–26 & Jan 1–2

keystone

Keystone Quarter Sphere Shell Unpainted Used On Series 5 Full Cutoff Wall Packs (KT-WPLED-M5-QS-1-KIT-U)
Usually Ships in 7-14 Days

Keystone
Original price $126.99 - Original price $126.99
Original price
$126.99

Keystone Quarter Sphere Shell Unpainted Used On Series 5 Full Cutoff Wall Packs (KT-WPLED-M5-QS-1-KIT-U)

Original price $126.99 - Original price $126.99
Original price
$126.99

Keystone Quarter Sphere Shell White Used On Series 5 Full Cutoff Wall Packs (KT-WPLED-M5-QS-1-KIT-W)
Usually Ships in 7-14 Days

Keystone
Original price $126.99 - Original price $126.99
Original price
$126.99

Keystone Quarter Sphere Shell White Used On Series 5 Full Cutoff Wall Packs (KT-WPLED-M5-QS-1-KIT-W)

Original price $126.99 - Original price $126.99
Original price
$126.99

Keystone Recessed Double Contact Socket For HO Lamps Plunger End (KT-SOCKET-RDC-PE)
Usually Ships in 7-14 Days

Keystone
Original price $3.38 - Original price $3.38
Original price
$3.38

Keystone Recessed Double Contact Socket For HO Lamps Plunger End (KT-SOCKET-RDC-PE)

Original price $3.38 - Original price $3.38
Original price
$3.38

Keystone Recessed Double Contact Socket For HO Lamps Stationary End (KT-SOCKET-RDC-SE)
17 in Stock: Ready to Ship

Keystone
Original price $3.38 - Original price $3.38
Original price
$3.38

Keystone Recessed Double Contact Socket For HO Lamps Stationary End (KT-SOCKET-RDC-SE)

Original price $3.38 - Original price $3.38
Original price
$3.38

Keystone Recessed Double Contact Socket With Spring End For HO Lamp Sign Applications (KT-SOCKET-RDC-SPR-SIGN-1)
27 in Stock: Ready to Ship

Keystone
Original price $5.44 - Original price $5.44
Original price
$5.44

Keystone Recessed Double Contact Socket With Spring End For HO Lamp Sign Applications (KT-SOCKET-RDC-SPR-SIGN-1)

Original price $5.44 - Original price $5.44
Original price
$5.44

Keystone Recessed Double Contact Socket With Stationary End For HO Lamp Sign Applications (KT-SOCKET-RDC-SE-SIGN-1)
2 in Stock: Ready to Ship

Keystone
Original price $5.44 - Original price $5.44
Original price
$5.44

Keystone Recessed Double Contact Socket With Stationary End For HO Lamp Sign Applications (KT-SOCKET-RDC-SE-SIGN-1)

Original price $5.44 - Original price $5.44
Original price
$5.44

Keystone Remote Control For KTS-MW3-12V-XX Sensors Used To Set Or Adjust All Sensor Performance Parameters (KTS-MW3-REMOTECONTROL)
Usually Ships in 7-14 Days

Keystone
Original price $24.63 - Original price $24.63
Original price
$24.63

Keystone Remote Control For KTS-MW3-12V-XX Sensors Used To Set Or Adjust All Sensor Performance Parameters (KTS-MW3-REMOTECONTROL)

Original price $24.63 - Original price $24.63
Original price
$24.63

Keystone Retrofit Plate Includes Adaptor And Cover Black Used With Legacy 8 Inch Bollards (KT-BLED-PLATE-KIT-B)
Usually Ships in 7-14 Days

Keystone
Original price $84.12 - Original price $84.12
Original price
$84.12

Keystone Retrofit Plate Includes Adaptor And Cover Black Used With Legacy 8 Inch Bollards (KT-BLED-PLATE-KIT-B)

Original price $84.12 - Original price $84.12
Original price
$84.12

Keystone Retrofit Plate Includes Adaptor And Cover Bronze Used With Legacy 8 Inch Bollards (KT-BLED-PLATE-KIT)
Usually Ships in 7-14 Days

Keystone
Original price $84.12 - Original price $84.12
Original price
$84.12

Keystone Retrofit Plate Includes Adaptor And Cover Bronze Used With Legacy 8 Inch Bollards (KT-BLED-PLATE-KIT)

Original price $84.12 - Original price $84.12
Original price
$84.12

Keystone Reversible Glare Shield Black Used On Series 2 Area Lights Large Housing (KT-ALED-GS-L2-KIT-B)
Usually Ships in 7-14 Days

Keystone
Original price $29.85 - Original price $29.85
Original price
$29.85

Keystone Reversible Glare Shield Black Used On Series 2 Area Lights Large Housing (KT-ALED-GS-L2-KIT-B)

Original price $29.85 - Original price $29.85
Original price
$29.85

Keystone Reversible Glare Shield Black Used On Series 2 Area Lights Medium Housing (KT-ALED-GS-M2-KIT-B)
Usually Ships in 7-14 Days

Keystone
Original price $29.85 - Original price $29.85
Original price
$29.85

Keystone Reversible Glare Shield Black Used On Series 2 Area Lights Medium Housing (KT-ALED-GS-M2-KIT-B)

Original price $29.85 - Original price $29.85
Original price
$29.85

Keystone Reversible Glare Shield Silver Used On Series 2 Area Lights Large Housing (KT-ALED-GS-L2-KIT-S)
Usually Ships in 7-14 Days

Keystone
Original price $29.85 - Original price $29.85
Original price
$29.85

Keystone Reversible Glare Shield Silver Used On Series 2 Area Lights Large Housing (KT-ALED-GS-L2-KIT-S)

Original price $29.85 - Original price $29.85
Original price
$29.85

Keystone Reversible Glare Shield Silver Used On Series 2 Area Lights Medium Housing (KT-ALED-GS-M2-KIT-S)
Usually Ships in 7-14 Days

Keystone
Original price $29.85 - Original price $29.85
Original price
$29.85

Keystone Reversible Glare Shield Silver Used On Series 2 Area Lights Medium Housing (KT-ALED-GS-M2-KIT-S)

Original price $29.85 - Original price $29.85
Original price
$29.85

Keystone Right Angle Bracket 11 Inch Bronze For Wood Pole Mounting Compatible With 2 3/8 Inch Slipfitter Mounts (KT-WPM-RA-11)
Usually Ships in 7-14 Days

Keystone
Original price $404.34 - Original price $404.34
Original price
$404.34

Keystone Right Angle Bracket 11 Inch Bronze For Wood Pole Mounting Compatible With 2 3/8 Inch Slipfitter Mounts (KT-WPM-RA-11)

Original price $404.34 - Original price $404.34
Original price
$404.34

Keystone Round Cover Plate For Mounting Flood Lights On 4 Inch Round Boxes With Mounting Hardware Bronze Color (KT-FLED-RC-4)
Usually Ships in 7-14 Days

Keystone
Original price $13.38 - Original price $13.38
Original price
$13.38

Keystone Round Cover Plate For Mounting Flood Lights On 4 Inch Round Boxes With Mounting Hardware Bronze Color (KT-FLED-RC-4)

Original price $13.38 - Original price $13.38
Original price
$13.38

Keystone Round Cover Plate For Mounting Flood Lights On 4 Inch Round Boxes With Mounting Hardware White Color (KT-FLED-RC-4-W)
Usually Ships in 7-14 Days

Keystone
Original price $13.38 - Original price $13.38
Original price
$13.38

Keystone Round Cover Plate For Mounting Flood Lights On 4 Inch Round Boxes With Mounting Hardware White Color (KT-FLED-RC-4-W)

Original price $13.38 - Original price $13.38
Original price
$13.38

Keystone Round High Bay Fixture 100W 120-277V Input 4000K 0-10V Dimming Built In Sensor Receptacle (KT-RHLED100-11CB-840-VDIM)
Usually Ships in 7-14 Days

Keystone
Original price $95.22 - Original price $95.22
Original price
$95.22

Keystone Round High Bay Fixture 100W 120-277V Input 4000K 0-10V Dimming Built In Sensor Receptacle (KT-RHLED100-11CB-840-VDIM)

Original price $95.22 - Original price $95.22
Original price
$95.22

Keystone Round High Bay Fixture 100W 120-277V Input 5000K 0-10V Dimming Built In Sensor Receptacle (KT-RHLED100-11CB-850-VDIM)
Usually Ships in 7-14 Days

Keystone
Original price $95.22 - Original price $95.22
Original price
$95.22

Keystone Round High Bay Fixture 100W 120-277V Input 5000K 0-10V Dimming Built In Sensor Receptacle (KT-RHLED100-11CB-850-VDIM)

Original price $95.22 - Original price $95.22
Original price
$95.22

Keystone Round High Bay Fixture 150W 120-277V Input 4000K 0-10V Dimming Built In Sensor Receptacle (KT-RHLED150-11CB-840-VDIM)
Usually Ships in 7-14 Days

Keystone
Original price $111.10 - Original price $111.10
Original price
$111.10

Keystone Round High Bay Fixture 150W 120-277V Input 4000K 0-10V Dimming Built In Sensor Receptacle (KT-RHLED150-11CB-840-VDIM)

Original price $111.10 - Original price $111.10
Original price
$111.10

Keystone Round High Bay Fixture 150W 120-277V Input 5000K 0-10V Dimming Built In Sensor Receptacle (KT-RHLED150-11CB-850-VDIM)
Usually Ships in 7-14 Days

Keystone
Original price $71.40 - Original price $71.40
Original price
$71.40

Keystone Round High Bay Fixture 150W 120-277V Input 5000K 0-10V Dimming Built In Sensor Receptacle (KT-RHLED150-11CB-850-VDIM)

Original price $71.40 - Original price $71.40
Original price
$71.40

Keystone Round High Bay Fixture 200W 120-277V Input 4000K 0-10V Dimming Built In Sensor Receptacle (KT-RHLED200-12CB-840-VDIM)
Usually Ships in 7-14 Days

Keystone
Original price $142.87 - Original price $142.87
Original price
$142.87

Keystone Round High Bay Fixture 200W 120-277V Input 4000K 0-10V Dimming Built In Sensor Receptacle (KT-RHLED200-12CB-840-VDIM)

Original price $142.87 - Original price $142.87
Original price
$142.87

Keystone Round High Bay Fixture Featuring Wattage/CCT Selectable | 400W /320W/240W 120-277V Input 4000K/5000K 0-10V Dimming Built In Sensor Receptacle (KT-RHLED400PS-18C-8CSD-VDIM-P)
Usually Ships in 7-14 Days

Keystone
Original price $476.40 - Original price $476.40
Original price
$476.40

Keystone Round High Bay Fixture Featuring Wattage/CCT Selectable | 400W /320W/240W 120-277V Input 4000K/5000K 0-10V Dimming Built In Sensor Recepta...

View full details
Original price $476.40 - Original price $476.40
Original price
$476.40

Keystone Round LED High Bay 240W 90 Degree Lens 13-Inch Diameter 120-277V 4000K 0-10V Dimming Built-In Sensor Receptacle Black Housing O-Bolt (KT-RHLED240-13CB-840-VDIM)
Usually Ships in 7-14 Days

Keystone
Original price $166.69 - Original price $166.69
Original price
$166.69

Keystone Round LED High Bay 240W 90 Degree Lens 13-Inch Diameter 120-277V 4000K 0-10V Dimming Built-In Sensor Receptacle Black Housing O-Bolt (KT-R...

View full details
Original price $166.69 - Original price $166.69
Original price
$166.69

Keystone Round LED High Bay Fixture Power/CCT Selectable 400W /320W/240W 4000K/5000K 277-480V Input 0-10V Dimming B(KT-RHLED400PSHV-18C-8CSD-VDIM-P)
Usually Ships in 7-14 Days

Keystone
Original price $571.69 - Original price $571.69
Original price
$571.69

Keystone Round LED High Bay Fixture Power/CCT Selectable 400W /320W/240W 4000K/5000K 277-480V Input 0-10V Dimming Built In Sensor Receptacle (KT-RH...

View full details
Original price $571.69 - Original price $571.69
Original price
$571.69