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Sign Ballasts
Keystone's sign ballasts makes commercial sign maintenance simple. The new Smart Wiring Electronic Sign Ballasts wire exactly the same as legacy magnetic ballasts, so upgrading from magnetic to electronic in an existing sign is effortless. Plus, with just 9 electronic and 6 magnetic ballasts to cover virtually all sign applications. GSC Lighting & Supply is sure to have the right ballast for the job.
 Magnetic |
 Smartwire Electronic |
 Standard Electronic |
