Can a ballast bring two bulbs?
Many lamp panel are on the market this kind of connection, the vast majority of two a 20 w bulb with 40 w ballast belt, pay special attention to the number and shape in S2, which is 110 v, the starter's general single lamp glow shape number S10, 220 v. The possibility is bright. According to the characteristic of fluorescent tube to control two lamp tube with a ballast tube: if the lamp tube is a series of two lamp tube can be bright; If the lamp tube is parallel, only one lamp can be bright. Special fluorescent tubes are excluded
A ballast carries two lamp tubes Is that ok? An ordinary 40w ballast is not able to take two 20W fluorescent tubes A ballast carries two lamp tubes Up to a light tube, it is the ballast is similar to multiple ballast together. How much is the ballast for root. For example, two of the ballast, outlet has two root, joint tubes respectively.
When the lamp tube is plugged, open the switch, hold the lamp holder in one hand, and turn the lamp in the other hand. If the lamp is bright, it will indicate the contact of the socket. If only two lights are on the lamp, the regenerator is not blinking, the ballast is broken. If it's only two bright lights on the tube, the regenerator flickers, indicating that the regenerator is broken
