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About Keystone

... from World War II, Keystone Technologie... ... architectural, and specialty OEMs as we... ...OEM and distributor customers. Since 194...

Quick Ship Program

...Quick Ship eligible products.   Cli... ...sp;    ELECTRONIC CATEGOR... ...e F8T5 Undercabinet Electronic Ballast ... ... F13T5 Undercabinet Electronic Ballast ... ...3/14T5 Undercabinet Electronic Ballast ...

Our History

...m if there were any products that were a... ...ware and electrical stores in Philadelph... ... offer magnetic and electronic ballasts ...

Statement of Warranty

...of its magnetic and electronic lamp ball... ...workmanship for the specified warranty p... ... appears within the specified warranty p... ...t meet the warranty specified above, Key... ...ety of Underwriters Laboratories, Inc., ...

All Products

... Electronic Fluorescent Keystone’s ... ...ncy, every Keystone electronic ballast is “burned in” at the factory to ensure exceptional per... ...ur new Smart Wiring Electronic Sign Ball...

Warranty

...we stand behind our products. We strive ... ...TE CODES   ELECTRONIC BALLASTS:... ...OD T5, T5HO, T8, Circline and CFL Electronic Ballasts 5 Years ...

NEMA Premium High Efficiency T8 Ballasts

...0. • Total Harmonic Distortion must be ≤... ...ements for Lighting Products • National ...

Custom Solutions

...ballast innovation, Keystone Technologie... ...ed on this website, Keystone has the cap... ...igning and building custom products to meet your requir...

SmartWire Electronic Sign Ballasts

...one’s new SmartWire electronic sign ball... ...ratures. • Reduced Inventory: 15 magnet... ...aced by 5 SmartWire electronic sign ball... ...drastically reduced inventory. Keystone ... ...lications including fluorescent sign bal...

100% Quality Control Process

...process so that the products reaching our customers are virtually free of a... ...pt. Step 2: In-Circuit Testing Afte... ...ated on the printed circuit board, every ballast is tested for circuit integrity using computer...