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About Keystone

... from World War II, Keystone Technologie... ...OEM and distributor customers. Since 194...

Quick Ship Program

...Quick Ship eligible products.   Cli... ...sp;    ELECTRONIC CATEGOR...

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... ...ety of Underwriters Laboratories, Inc., ... ....   NO IMPLIED STATUTORY WARRANTY O... ...lusive of all other statutory, written o... ...anties of any kind, statutory or otherwi...

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:... ... WARRANTY PERIOD 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...

Program Start T8 Ballasts

...rooms • Bathrooms • Storage Facilities ...

Resources

...k)     Electronic Ballasts ... ...  Compact Fluorescent (448k) &...