Technical Info

General

Acrylic & Polycarbonate Compatibility
Packaging and Shipping

Williams' commitment to quality doesn't end when a fixture comes off the line. Proper packaging and shipping is a critical part of our quality process. That's why every fixture we ship is wrapped with the Williams name proudly displayed on every carton and corner board.
Fixture Maintenance

Cleaning, lamping/relamping, and ballast maintenance.
IP Ratings and NSF Certifications
The Difference Between Dry, Wet, and Damp Locations

NEC) National Electric Code and UL Standard 1598 definitions. National Electric Code Article 410 - Luminaires in Specific Locations

LED Driver Options

LED Driver descriptions and compatibility chart.
Ballasts: Logic, Manufacturer-Specific Ballasts

All ballasts are high quality, industry-recognized manufacturers such as Advance, General Electric, Osram, ULT, or when necessary, substitutions equal in performance and warranty. Unless otherwise specified, Williams light fixtures are provided with "generic" ballasts. The term generic means the ballast/manufacturer is determined by the factory.
GTD/ETS: Generator Quantities with Flex/Cord Charts
Batteries: Emergency Lighting Options

EM batteries provide a minimum 90 minutes of emergency illumination. The multi-lamp option distributes lumen output evenly across all lamps. Standard emergency batteries are UL listed for dry locations only.
Dimming Ballasts
Ballast Disconnect

NEC Compliance Statement

CEC Compliance Statement
Lamp & Ballast Warranty Contact Information

Lamps and ballasts are warrantied by their respective manufacturers, not H.E. Williams, Inc. To replace defective lamps and ballasts, please contact the lamp or ballast manufacturer.
Compatible Dimming Controls for Downlights
Emergency Packs Rated For Sealed & Gasketed Fixtures

Power Entry

Cord Entry Diagrams, Flexible Whips, Cord for Suspended Product. All Williams recessed troffers are available with a flexible whip, factory attached and hard wired to the luminary.
Quick-Connect Wiring
Tandem In-Line Wiring & Master/Satellite System

Factory installed branch circuit wiring with nylon self-locking polarized connectors. All Williams Fluorescent® recessed troffers are available with a flexible metallic wiring harness, factory attached and hard wired to the luminary.
Electrical Accessories

6' Cord/Plug 120V(-6CPI/5-15P), 277V(-6CPI/7-15P), Fast(-GLR) & Slow(-GMF) Fuse, Ballast Suppressor.

Color-match with RAL^® Colors

Since 1927, RAL^® has created a uniform language when it comes to color. They have standardized, numbered and named the abundance of colors. These standards are easily understandable and applicable worldwide.
Finish: Standard & Custom Colors

Williams Fluorescent^® is committed to the highest quality: ALL parts powder coated AFTER fabrication. Anti-microbial white paint option prevents the spread of micro-organisms and suppresses the growth of mold and bacteria. Clear coat finish shows steel imperfections, streaks, and variations.

Anti-Microbial Finish - (AMW Option)
Downlighting Finish: Standard & Custom Colors

Gasketing, Ceiling Types & Earthquake Clips
Industrial, Strip & Wrap Fixture Accessories

Metal Louvers, metal frame with lens, reflector row aligner, reflector end plates, wire-guards. Williams Fluorescent^® AI Series perforation, louver, and slot styles.
Suspended Accessories

Feeders, canopies, cable, joiners, cords, and corners
Troffer Doors, Optional Shielding, and Grid Riser

Steel, aluminum, and tamper resistant door frames, optional troffer shielding such as the Directional Lens with Radio Suppression Grid & the 1½" Drop White Acrylic, Grid Riser provides a skylight effect.
Troffer Lenses, & Louvers (Acrylic & Styrene)

Pattern #12, #15, #19, KSH, and injection molded acrylic troffer lenses. ½" & 1" deep white, or silver acrylic and styrene parabolic louvers.
Special Reflectors - Strips

Special reflectors transform Williams’ strip luminaires into powerful light managers to maximize installation flexibility.

Color-match with RAL^® Colors

Since 1927, RAL^® has created a uniform language when it comes to color. They have standardized, numbered and named the abundance of colors. These standards are easily understandable and applicable worldwide.
Finish Options

Standard Outdoor Lighting color options

Lamp & Ballast Warranty Contact Information

Lamps and ballasts are warrantied by their respective manufacturers, not H.E. Williams, Inc. To replace defective lamps and ballasts, please contact the lamp or ballast manufacturer.
Outdoor Lighting Lamp Specification Information

How to specify Pulse Start Metal Halide (PSMH) and High Pressure Sodium (HPS) lamps with Williams Outdoor lighting.