Panamax M8-EX 8 AC Outlet Surge Protector - Silver Eight AC Outlets with Transformer Spacing Accepts Add-on Signal Line Modules to Accommodate System Expansion Thermal Fusing Provides clean & safe power for all home and office equipment Accepts add-on signal-line modules to accommodate system expansion Provides clean & safe power for all home and office equipment Accepts add-on signal-line modules to accommodate system expansion Eight AC outlets with transformer spacing