Actually shortening a strand of Christmas lights is not advisable or safe. If they do not work, they need to be replaced.
If the strands are too long for your need, you can try creative ways of arranging the lights to get them to "fit." Do not ever attempt to modify the strands by actually shortening them, though. Having someone get electrocuted or a house catch on fire is never a good thing, and it is even worse during the holidays.
Not easily.
Animated Christmas lights can be made several different ways; the most popular is to use a flasher bulb at the end of the string so that the lights blink in a certain sequence. These can be purchased in sets as well as coming with specially marked sets of lights.
The wavelength gets shorter.
For lights to use on palm tree, one needs to find those that do not heat up posing a fire threat. Christmas tree lights and led string lights are good choices.
Cut it with sissors
lights
There are many companies that make candle shaped Christmas tree lights. Philips, Starlight Creations and Designer Series all make these types of lights. They can be found at Target and Amazon.
They are the places where you put your fingers to make the string shorter, making the pitch higher.
Using christmas lights for halloween is somewhat confusing to me. What comes to mind is maybe placing all orange bulbs in a strand of christmas lights to make them halloween lights.
Most discount store websites, like target.com and walmart.com, sell Christmas lights in their Christmas decoration section. One tip to keep in mind: make sure you shop for your lights early because lights are usually one of the first Christmas decorations to sell out.
Shorter strings vibrate at a higher frequency than longer strings.
White lights go with any holiday. Halloween, Easter, Christmas; it is all dependent upon how the lights are used. White lights make great outlines for lawn ornaments.
They have been invented, manufactured and installed.