Every household has electronic audio and video equipment that should be protected. This unit will protect your equipment aganist lighting strikes and everday voltage fluctuations and spikes. Use this product as a primary source protector and surge power bar for secondary protection. DiVito Electric performs all types of electrical construction from retrofit work like adding additional outlets or switches to new custom home wiring. We also supply and install home theatre ceiling and wall speakers, intercom, data, phone and cable TV complete operating systems.