Introduction of T4 LED bulb T4 LED bulb is a type of light-emitting diode (LED) bulb. It is characterized by its tubular shape with a diameter of 4/8 inch (or 0.5 inches). Its common use is as a replacement for incandescent bulbs in under-cabinet lighting, desk lamps, and other small fixtures. The “T” in T4… Continue reading T4 LED bulb – Introduction and applications
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