How to put up C9 Christmas Lights on your roofline. So I feel like I spent way too much time on the "setting them up consistently from string to string" part. but I’m telling you, it’s this.To fix Christmas lights if the entire string goes out, start by unplugging the string and opening the fuse case, which is the plastic box attached to the electrical prongs. If a fuse is black or has a broken wire inside, gently pry out the blown fuse with a thin screwdriver.In general, professional light installation can cost as little as $100 to over a thousand dollars depending on the size of the job. Seeking out package deals that include lights, labor and a predetermined layout can help you save money on your Christmas displays.How Much Electricity Do LED Christmas Lights Use? It’s no secret that LED Christmas lights can save lots of energy. In fact, depending on the type of light set, the energy savings can be anywhere from 80% to 95%.How to Tell if Christmas Light Fuse is Blown: Use a tester. Family Handyman. Some Christmas light testers work by having you slide each Christmas light bulb through a hole.. Second, test the Christmas light bulbs with an inexpensive tester, available where holiday lights are sold and online.For a basic project in zip code 47474 with 1 light, the cost to Install Can Lighting starts at $259 – $367 per light. Actual costs will depend on job size, conditions, size options. To estimate costs for your project: 1. set Project Zip Code Enter the Zip Code for the location where labor is hired and materials purchased. 2.We know, for instance, that LED lights are a lot more efficient than traditional incandescents – but how much difference does that make over the course of a season? To that end we looked up the.Of course, if your goal is for your house to be seen from space, stagger two sets of lights side-by-side, or look for lights that are spaced closer together. denser lights equal brighter lights. For more tips, see our Christmas Lights Buying Guide and Outdoor Holiday Lighting Ideas.Christmas lights and banners may be hung along streets, music played from speakers, and Christmas trees placed in prominent places. It is common in many parts of the world for town squares and consumer shopping areas to sponsor and display decorations.