It is best to start by shaping the lowest section of the tree before adding the next section of the tree.
Each tree has its own unique tip shape, which is achieved through a process we call "fluffing". Keep in mind that trees do not arrive as pictured. Sometimes the copper wire may be broken or out of position, and replacing the bulb or moving the copper wires into place should remedy the problem.
When the socket is in place and the bulb is secure, this allows for the current to continue to flow. It is important to understand that 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.Īdditionally, each mini light has two small copper wires that come out of the base of the bulb, and fold upwards on each side. "One Light Goes Out, Rest Stay Lit" is a technology that uses an internal shunt within the bulb to continue the flow of electricity throughout a light string, even if a bulb has burned out. Each bulb is lit through a filament, which is contained within the bulb's glass case. Understanding the technology behind an incandescent bulb and a light string is helpful when trying to determine the cause of a bulb that won't light. If using a mini light tester, our resource page regarding Testing for Faulty Bulbs, will prove useful. Troubleshooting can be easier with the use of a mini light tester. When checking for broken fuses and replacing fuses, make sure the light string is not plugged into the outlet. A good fuse will have clear glass, while a broken fuse will cause the glass become tinted. Look for broken fuses in the male end of the light string, and replace using one of the extra light fuses that are included with the tree. Our light strings are fused for protection, so overloading the circuit will cause the fuse to break and the light string will go out, but will not be damaged. Common causes include cutting or damaging the wire itself, or overloading the circuit by plugging too many devices into an outlet or adding additional strings of lights without calculating wattage and amps. A short is caused when the wire's insulation breaks down, allowing charge to flow in an unintended path. If a short has occurred, the light string is usually not repairable. Look to find the loose bulb, check the wires to ensure they are properly aligned, and secure the bulb tightly within the socket.
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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