Christmas Lights FAQ

Frequently Asked Questions


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Answers

Q: How many light strings can I put together?

A: According to Underwriters Laboratories, there should be a maximum of 210 watts connected on 22 gauge wire and a maximum of 420 watts connected on 20 gauge wire. Since each bulb and string has different wattage, calculate your total to see how many strings you can connect.


Q: Do LEDs really stay cool to the touch?

A: Yes, LEDs are cool to the touch due to advanced technology.


Q: What's the difference between incandescent bulbs and LEDs?

A: LEDs are a more modern technology and more efficient, thus saving energy. LEDs cost more but they are an investment, so incandesecent bulbs are not cheaper in the overall scheme of savings.


Q: What is the difference between C7 and C9 bulbs?

A: C9s measure just under 3", while C7s are just over 2", base to tip. The bulbs are similar in look, though C9s are used for a retro appearance while C7s are more modern.


Q: How many lights should I use for my project?

A: Consult the Light Calculation page to find a rough estimate of how many bulbs you will need per foot of tree.


Q: Will the string still work if one bulb blows out?

A: If one bulb is broken but the shunt is in tact, the rest of the light string will work; however, if the bulb and shunt are damaged, the entire light string will loose current flow and thus darken.


Q: How can I find the faulty bulb with the broken shunt?

A: For in-depth troublshooting tips, consult the page Testing for Faulty Bulbs.


Q: What does _____ mean?

A: Consult the Christmas Lights Glossary for commonly used terms on Christmas Lights, Etc.


Q: How much energy do my lights use?

A: Consult the Christmas Lights Power Consumption page to easily calculate how much energy your particular Christmas lights use.


Q: How do you hang Christmas lights?

A: We have many tricks and tips available on Christmas Lights, Etc for ease of decorating. To learn how to hang Christmas lights like a pro, visit the Hanging Christmas Lights page.


Q: Can I cut rope light?

A: Yes, you can cut rope light at specified cut lengths determined by the manufacturer and symbolized by dashed lines or a scissor outline. For more information, consult the Rope Light Instructions page.


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