Beginning January 1, 2008, all tradesmen must complete continuing education in order to renew their licenses. Tradesmen with the trade designation of plumbing, electrical, HVAC, and/or gas fitting must complete continuing education.
The SilverStar zXe is a direct part replacement for standard halogen light bulbs. Although from appearance it may look slightly different, dimensionally it will be identical to what you are taking out of your car.
It's also rather unique since it is designed to be permenantly installed inside a combo amp. Recently, Dr. Z released the Brake Lite SA, which is a stand alone version of the Brake Lite, designed to be used with heads and cabs. Swart Amplifiers also makes a very popular attenuator called the Swart Night Light.