High-Efficiency 4FT LED T8 Lamp with R17D Rotating Base – 120-277V, 4000K, Type B Single-Ended Bypass

The 18-watt 4-foot LED T8 bypass lamp delivers 2500 lumens of neutral white light at 4000K with a wide 330° beam angle. Engineered for commercial and industrial lighting environments, this lamp uses a double-sided LED strip for broad, even illumination. Its R17D base with rotating ends offers versatile mounting in high-output applications.

This lamp operates on direct line voltage and is designed for single-ended Type B bypass installation using non-shunted sockets. It is not compatible with ballasts or dimmers and is not intended for use in emergency lighting. Rated for 50,000 hours, it performs reliably in dry or damp locations.

Specifications:

Electrical & Performance:

• Wattage: 18W

• Voltage: 120–277VAC, 50/60Hz

• Initial Lumens: 2500 lm

• Color Temperature: 4000K

• Color Rendering Index (CRI): >80

• Beam Angle: 330° (Double-sided LED strip)

• Rated Life: 50,000 hours

• Dimming: Not compatible

• Ballast Compatibility: Type B – bypass only

• Emergency Use: Not intended for emergency lighting applications

Base & Construction:

• Base Type: R17D with rotating ends

• Bulb Shape: T8

• Length: 45.75" (1162.05 mm)

• Diameter: 1.14" (28.96 mm)

Packaging:

• Package Quantity: 0

• Case Quantity: 0

Installation & Safety:

• Socket Type: Use only with non-shunted sockets

• Suitable for dry and damp locations

• Enclosed Fixture Rated: No

• Ambient Operating Temperature: -4°F to 113°F (-20°C to 45°C)

• Do not use with dimmers or magnetic ballasts

Applications:

• Refrigeration lighting

• Industrial and commercial lighting

• Utility areas and garages

• Cold storage and display cases