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灯泡灯套件
LED灯具灯泡灯管UL认证资料1
LED灯具灯泡灯管UL认证资料1
灯泡灯座型号大全
bulb types The code number of a bulb consists of a letter or letters followed by a number. The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch. The mosts commonly used household bulb is the A-19. The bulb is “A” type and the diameter would be 23?8". A 65BR40 is a 65 watt reflector 5" in diameter. Base Types base types