This surge suppressor provides two widely spaced NEMA 5-15R outlets. The Tripp Lite Isobar can also help to reduce EMI/RFI noise. Tripp Lite Isobar 2 Outlet Surge Protector It can also protect your equipment from power surges and spikes. It can help to reduce RF and EM interference. If you’re having problems with Electromagnetic Interference, in some cases, a power conditioner can help clean up dirty power in your home. To troubleshoot, start by unplugging or switching off each appliance and then check to see if your signal improves. In some cases, light dimmers have been known to cause issues due to poor wiring. Any appliance with electric motors like a ceiling fan can disrupt an over the air TV signal. Many household appliances like a blender, electric heaters, popcorn makers, electric blankets, and refrigerators can also cause interference. Electromagnetic InterferenceĮlectromagnetic interference can be caused by many different things like outside power lines, thunderstorms, LED or fluorescent lights, and solar flares. Some interference can cause pixelation, picture noise, or loss of signal. There can be several different causes for over the air antenna interference. OTA antenna interference can be very frustrating, especially if your favorite station loses its reception.