Sylvania 15021-1950L/A23/8M 130V Traffic Signal Light Bulb

Light your signal, sign or utility fixture with Sylvania's 170 Watt A23 rough service traffic signal light bulbs - high-output, long-life incandescent light bulbs engineered for demanding service applications. This six pack uses the standard E26 medium base (same as a regular A19 bulb), installing easily in traffic signal housings, outdoor sign boxes, utility lamps, bulbs for lamps and service fixtures. Also sold as rough service incandescent light bulbs, rough service light bulbs, bright incandescent light bulbs, standard incandescent light bulbs, a23 bulb or utility light bulb. Each A23 bulb delivers 1950 lumens of warm 2850K soft white light with 100 CRI - bright true-color output with the classic incandescent warm white light bulb glow signal and utility fixtures were designed for. What sets these rough service bulbs apart is reinforced filament support and a heavy-duty base. Built for traffic signal pole vibration, thermal cycling of sign boxes and frequent switching, these A23 bulbs deliver 8000 hours of life - roughly 10x a standard household incandescent. A rugged C-9 filament and aluminum base ensure reliable 130 volt operation. Fully dimmable on standard incandescent dimmers. Suitable for indoor and UL-approved enclosed outdoor fixtures only - not for open-to-weather outdoor applications. Note: these bulbs use the larger E26 medium base (standard household socket), not the smaller E12 candelabra base - please confirm your socket size before purchase. Whether you need a traffic signal bulb, rough service incandescent bulb, vibration-resistant lamp, heavy-duty 170W A23 bulb, long-life utility light or outdoor sign bulb, Sylvania rough service bulbs deliver the durability and classic warm incandescent performance service fixtures require.

• PERFECT FIT FOR TRAFFIC SIGNAL & UTILITY FIXTURES: Rough service 170 Watt A23 bulbs screw into any standard E26 medium base - engineered for traffic signals, outdoor sign boxes, utility lamps and commercial or industrial service lighting.
• BRIGHT & WARM A23 GLOW: Clear 170 Watt incandescent light bulbs deliver 1950 lumens of 2850K soft white output with 100 CRI - high-intensity brightness with true-color rendering for signal, utility and extra-bright service applications.
• LONG LIFE 8000 HOUR ROUGH SERVICE BULB: A reinforced C-9 filament and shock-resistant construction give these 130V 170 Watt bulbs 8000 hours of rated life - more than 10x a standard household bulb for low-maintenance indoor light bulbs service.
• DURABLE VIBRATION-RESISTANT INCANDESCENT: Built for rough duty with a solid aluminum base and heavy-duty filament, these 170W A23 bulbs handle vibration, temperature swings and frequent switching - ideal for traffic and sign applications.
• INDOOR & ENCLOSED OUTDOOR USE: Suitable for indoor service lighting and UL-approved enclosed outdoor fixtures - traffic signals, outdoor sign boxes, commercial utility lights and extra-bright work lamps. 6 Pack, 170W A23, 130V, soft white 2850K.