A perfect storm of old lights, ungrounded wires, and bad Wi-Fi to begin with can slow down your holiday surfing. Here's what yule do to fix it. The post Christmas Lights Can Slow Wi-Fi, But They Probably Won’t appeared first on WIRED. Christmas Lights Can Slow Wi-Fi, But They Probably Won’tThis entry was posted in Christmas and holiday season christmas lights Gadget Lab Gear networking wi-fi wi-fi interference on December 10, 2015 by Tim Moynihan