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Worcester, MA 01603

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The Business Lighting Experts

Products from Keystone

More Filters Free gift card with Keystone purchases $300 and over. Use promo code KEYSTONE2026 at checkout.
 
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Keystone Dimmable 35W 120-277V 5000K A25/PS30 LED Bulb, Enclosed Fixture Rated, E26 Base

SKU: KT-LED35A25-O-E26-850-DIM /G2 | Ordering Code: KT-LED35A25-O-E26-850-DIM /G2

  • Medium (E26) Base
  • 5000 Lumens
  • Bright White Bulb Color
  • 5000K Color Temp
  • 80 CRI
  • 35W
  • A-25 Shape
  • 120-277 Volts
  • 3.7" Diameter
  • 8" Long
$39.99each

Keystone 26W 60" Color Select Double-Sided T8 LED Sign Bulb, Ballast Bypass

SKU: KT-LED26T8-60P2SO-8CSK-DX2 | Ordering Code: KT-LED26T8-60P2SO-8CSK-DX2  | UPC: 843654163468

  • R17d Base
  • 3250 Lumens
  • Bright White/Cool White/Daylight White Bulb Color
  • 4000/5000/6500K Color Temp
  • 80 CRI
  • 26W
  • T-8 Shape
  • 120-277 Volts
  • 1.1" Diameter
  • 57.9" Long
$64.99each

Keystone Dimmable 6.5W 5000K 40 Degree PAR16 LED Bulb, Enclosed Fixture Rated

SKU: KT-LED6.5PAR16-S-850 | Ordering Code: KT-LED6.5PAR16-S-850  | UPC: 843654126302

  • Medium (E26) Base
  • 500 Lumens
  • Bright White Bulb Color
  • 5000K Color Temp
  • 80 CRI
  • 6.5W
  • PAR-16 Shape
  • 120 Volts
  • 2" Diameter
  • 2.9" Long
$4.29each

Keystone 21W 48" Color Select Double-Sided T8 LED Sign Bulb, Ballast Bypass

SKU: KT-LED21T8-48P2SO-8CSK-DX2 | Ordering Code: KT-LED21T8-48P2SO-8CSK-DX2  | UPC: 843654163451

  • R17d Base
  • 2600 Lumens
  • Bright White/Cool White/Daylight White Bulb Color
  • 4000/5000/6500K Color Temp
  • 80 CRI
  • 21W
  • T-8 Shape
  • 120-277 Volts
  • 1.1" Diameter
  • 46" Long
$47.99each

Keystone Dimmable 15W Color Selectable 40° PAR38 LED Bulb, Outdoor and Enclosed Rated

SKU: KT-LED15PAR38-F-8CSF /G4 | Ordering Code: KT-LED15PAR38-F-8CSF /G4  | UPC: 843654104171

  • Medium (E26) Base
  • 1080 Lumens
  • Bright White/Cool White/Neutral White/Soft White/Warm White Bulb Color
  • 2700/3000/3500/4000/5000K Color Temp
  • 80 CRI
  • 15W
  • PAR-38 Shape
  • 120 Volts
  • 4.7" Diameter
  • 5.1" Long
$12.49each

Keystone Dimmable 6.5W 4000K 40 Degree PAR16 LED Bulb, Enclosed Fixture Rated

SKU: KT-LED6.5PAR16-S-840 | Ordering Code: KT-LED6.5PAR16-S-840/G2  | UPC: 843654126296

  • Medium (E26) Base
  • 500 Lumens
  • Cool White Bulb Color
  • 4000K Color Temp
  • 80 CRI
  • 6.5W
  • PAR-16 Shape
  • 120 Volts
  • 2" Diameter
  • 2.9" Long
$4.29each

Keystone Non-Dimmable 8W 2 Pin Horizontal 4000K G24d/G24q LED Bulb, Ballast Bypass

SKU: KT-LED82P-H-840-D /G2 | Ordering Code: KT-LED82P-H-840-D /G2  | UPC: 843654159102

  • G24d/G24q Base
  • 1050 Lumens
  • Cool White Bulb Color
  • 4000K Color Temp
  • 80 CRI
  • 8W
  • Twin Tube Alt Shape
  • 120-277 Volts
  • 6.4" Long
  • 1.1" Wide
$12.99each

Keystone 8W 36" Color Select Single-Sided T8 LED Sign Bulb, Ballast Bypass

SKU: KT-LED8T8-36P1SO-8CSK-DX2 | Ordering Code: KT-LED8T8-36P1SO-8CSK-DX2  | UPC: 843654163574

  • R17d Base
  • 1000 Lumens
  • Bright White/Cool White/Daylight White Bulb Color
  • 4000/5000/6500K Color Temp
  • 80 CRI
  • 8W
  • T-8 Shape
  • 120-277 Volts
  • 1.1" Diameter
  • 33.9" Long
$34.99each

Keystone Non-Dimmable 8W 2 Pin Horizontal 5000K G24d/G24q LED Bulb, Ballast Bypass

SKU: KT-LED82P-H-850-D /G2 | Ordering Code: KT-LED82P-H-850-D /G2

  • G24d/G24q Base
  • 1050 Lumens
  • Bright White Bulb Color
  • 5000K Color Temp
  • 80 CRI
  • 8W
  • Twin Tube Alt Shape
  • 120-277 Volts
  • 6.4" Long
  • 1.1" Wide
$12.99each

Keystone Tall, Shunted Fluorescent Socket for Medium Bipin (G13) Base Lamps

SKU: KT-SOCKET-T8-S-T | Ordering Code: KT-SOCKET-T8-S-T  | UPC: 843654124599

  • Medium Bipin Base
  • White Finish
  • 600 Volts
  • 1.8" High
  • 1.1" Wide
$1.69each

Keystone Tall T8 Non-Shunted Medium Bi-pin Socket (Pack of 10)

SKU: KT-SOCKET-T8-U-T | Ordering Code: KT-SOCKET-T8-U-T

  • Medium Bipin Base
  • White Finish
  • 600 Volts
  • 1.8" High
  • 1.1" Wide
$16.90($1.69 per Socket)
Pack of 10

Keystone T8 Retrofit 3-Lamp Wiring Harness for LED Tubes

SKU: KT-SOCKET-T8-U-S-3-W | Ordering Code: KT-SOCKET-T8-U-S-3-W  | UPC: 890949012420

  • Medium Bipin Base
  • White Finish
  • 600 Volts
  • 1.5" High
  • 1.6" Wide
$7.59each

Keystone T8 Retrofit 2-Lamp Wiring Harness for LED Tubes

SKU: KT-SOCKET-T8-U-S-2-W | Ordering Code: KT-SOCKET-T8-U-S-2-W  | UPC: 890949012345

  • Medium Bipin Base
  • White Finish
  • 600 Volts
  • 1.5" High
  • 1.6" Wide
$8.99each

Keystone T8 Retrofit 4-Lamp Wiring Harness for LED Tubes

SKU: KT-SOCKET-T8-U-S-4-W | Ordering Code: KT-SOCKET-T8-U-S-4-W  | UPC: 89094901233

  • Medium Bipin Base
  • White Finish
  • 600 Volts
  • 1.5" High
  • 1.6" Wide
$8.99each

Keystone Instant Start Electronic Ballast, 120-277V For (4) F32T8 Lamps

SKU: KTEB-432-UV-IS-L-P | Ordering Code: KTEB-432-UV-IS-L-P

  • 75-90 Ballast Factor
  • 3/4 Lamps
  • 120/277 Volts
  • 1.2" High
  • 9.5" Long
  • 1.4" Wide
$26.99each

Keystone Program Start Electronic Ballast, 120-277V For (4) F54T5HO Lamps

SKU: KTEB-454HO-UV-PS | Ordering Code: KTEB-454HO-UV-PS

  • 103-110 Ballast Factor
  • 1-4 Lamps
  • 120-277 Volts
  • 1.2" High
  • 16.7" Long
  • 1.7" Wide
$69.99each

Keystone 12 Volt 60 Watt Constant Voltage LED Driver, Micro Case

SKU: KTLD-60-UV-12V-MC1 | Ordering Code: KTLD-60-UV-12V-MC1  | UPC: 890949020357

$85.99each

Keystone Rapid Start Electronic Ballast, 120-277V For (2) F34T12 or F40T12 Lamps

SKU: KTEB-240-UV-TP-PIC | Ordering Code: KTEB-240-UV-TP-PIC

  • 2 Lamps
  • 120/277 Volts
  • 1.1" High
  • 9.5" Long
  • 1.3" Wide
$25.99each

Keystone XFit Series LED Sports Light Fixture 500W with Yoke Mount

SKU: KT-SLFLED500-S1-30-YM-750-VDIM | Ordering Code: KT-SLFLED500-S1-30-YM-750-VDIM  | UPC: 843654154893

DLC PremiumDLC Premium
  • 70000 Lumens
  • 5000K Color Temp
  • 70 CRI
  • 500W
  • Gray Finish
  • 120-277 Line Voltage
  • 17.3" High
  • 17.3" Wide
$1,119.00each
Fixture

LED Linear High Bay - 55/75/95W, 15,580LM, 10-Year Warranty, 4000K/5000K, Control Ready - Keystone

SKU: KT-HBLED95PS-1G-8CSD-VDIM /G3 | Ordering Code: KT-HBLED95PS-1G-8CSD-VDIM /G3  | UPC: 843654178714

DLC PremiumDLC Premium
  • 9400/12500/15580 Lumens
  • 4000/5000K Color Temp
  • 80 CRI
  • 55/75/95W
  • White Finish
  • 120-277 Line Voltage
  • 1.9" High
  • 15" Long
  • 11.8" Wide
$119.99each
Fixture
 
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