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About Keystone

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

Quick Ship Program

...ers. That’s why we pledge to ship most i... ...Quick Ship eligible products.   Cli... ...bsp;    CONSTANT VOLTAGE LED DRIVERS FAMILY INPUT VOLT...

All Products

... “burned in” at the factory to ensure ex...

Statement of Warranty

... the ballast is not installed in accorda... ...ety of Underwriters Laboratories, Inc., ... ... the ballast is not installed according ... ....   NO IMPLIED STATUTORY WARRANTY O... ...lusive of all other statutory, written o...

Program Start T8 Ballasts

...ly extend lamp life versus traditional i... ...ility with the Most Current Lamp Technol... ...t 25W and 28W F32T8 versions. • Qualifie... ...8 ballasts, you can instantly qualify fo... ...rooms • Bathrooms • Storage Facilities ...

Our History

...m if there were any products that were a... ...ware and electrical stores in Philadelph... ...ne’s line has grown substantially beyond...

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...

Retrofit Kit Instructions

...maintenance costs • Substantial energy s... ...pe and light output versions available &...

Warranty

...At Keystone, we stand behind our product... ... 1-800-464-2680 for assistance. ...