Stops 'arcing' surges inside of equipment that is hooked into multiple sources. Protects from power surges caused by power switching at the utility, power outages and their related in-rush power surges and lightning generated surges to power lines. Provides first line of defense to protect electronics and extend the life of power strips. AC line, two line coaxial and four telephone line protection. Install and forget.
Robust design allows for repeat typical surges.
DIY instructions included. Modular design allows for component replacement on surges exceeding ratings. Connects to most brands of load centers. Includes hard-wired devices and system wiring. For more information, click here .