![]() This often occurs through rough handling or improper storage of a tree. Most likely a bulb is loose, and the connection is getting lost as the bulb moves in its socket. If lights go on and off as the tree and branches are moved around, this is not always an indication that there is a short in the wire. If needed, simply realign the wires on each side of the bulb, or if one of the wires is missing, replace the bulb. These wires are actually part of the glass light bulb itself, which are guided through two small openings at the bottom of each socket and then folded upwards. To verify the wires are in place, remove the socket and make sure a wire is folded up to the left and right of the socket base. ![]() If one of the wires is misaligned, or if a bulb is pulled out from its socket, the current is broken and the light strand will go out. Two thin wires stick out at the bottom of each mini light bulb, which make contact with the metal connectors for current to the bulbs and shunts. If the shunt is broken when a bulb breaks, or if it is dislodged due to a loose bulb, the flow of electricity will stop.Īnother reason for light failure is connectivity lost at the base of the socket. ![]() A broken bulb will not affect the rest of the strand, unless the shunt is broken in the process. ![]() As long as current is flowing through each bulb the strand will remain lit. The internal shunt does not have any effect unless a bulb's filament burns out, at which point the shunt wire activates to keep the current going. ![]()
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