For homeowners

Types of Christmas lights: which kind fits your tree and home?

Choose LED light string for indoor or outdoor use (ENERGY STAR-labelled strings are available for both, and outdoor-labelled ones are subjected to weathering tests); Colored spotlight for a metallic tree, lit from above or beside the tree and never fastened onto it (CPSC).

The right choice depends on whether the tree is metallic, whether young children are near the lights, and whether a string must stay cool to the touch.

How we know: By InstaBids editorial team with AI research agents. · Sources read: 22 October 2026 · Updated 27 October 2026

For every type, the U.S. Consumer Product Safety Commission says: "Indoors or outside, use only lights that have been tested for safety." The LED facts in this table come from ENERGY STAR's page on the light strings it labels and from a U.S. Department of Energy article; other strings may differ.
Type	Best for	Main advantages	Main drawbacks
LED light string	indoor or outdoor use (ENERGY STAR-labelled strings are available for both, and outdoor-labelled ones are subjected to weathering tests)	ENERGY STAR LED strings are cool to the touch, reducing the risk of fire (ENERGY STAR); ENERGY STAR-labelled strings have no moving parts, filaments or glass; DOE (2015): significantly less likely to burn out or break than incandescent strands	CPSC: never use electric lights on a metallic tree
Incandescent light string	no official source names one	no official source names one	ENERGY STAR: the electricity one 7-watt incandescent bulb uses could power 140 LEDs; DOE (2015): LED strands are significantly less likely to burn out or break than incandescent ones; CPSC: never use electric lights on a metallic tree
Bubble light	no official source names one	no official source names one	CPSC: can tempt curious children to break the candle-shaped glass, which can cut; CPSC: children may attempt to drink the liquid, which contains a hazardous chemical; CPSC: never use electric lights on a metallic tree
Colored spotlight	a metallic tree, lit from above or beside the tree and never fastened onto it (CPSC)	no official source names one	no official source names one

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MCP connector · REST API · plain HTML

Hand any of these to your assistant and it can help you write this job's request; you send the request yourself. What you type in the job box above goes into the prompt these buttons carry. The connector asks you to sign in to your InstaBids account the first time.

MCP connector URLhttps://instabids.ai/api/agent/mcp
Agent API (OpenAPI)https://instabids.ai/openapi.json
Start-request linkhttps://instabids.ai/intake?from=options-christmas-lights&utm_source=us&utm_medium=page&utm_campaign=options&page_type=options#job=holiday%20light%20installation
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Priority	Choose
lighting a metallic tree (CPSC)	Colored spotlight

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Sources for the facts on this page

U.S. Environmental Protection Agency, ENERGY STAR Decorative Light Strings product page, government, read 22 October 2026.
U.S. Department of Energy, How Do Holiday Lights Work? (article), government, read 22 October 2026.
U.S. Consumer Product Safety Commission (CPSC), Holiday Decoration Safety Tips (CPSC-611), government, read 22 October 2026.