Panamax M4-EX 4-Outlet MAX 4 EX Surge Protector: * 4 outlets * 1,650 joules * Transformer-spaced, conditioned and surge-protected outlets * Applications for home/office equipment including copiers, modems, telephones, computers, printers and fax machines * Enhanced RFI/EMI noise filtration * Over/under-voltage protection circuitry * Protect or Disconnect protection * Accepts add-on signal line modules to accommodate system expansion * UL listed * 8" power cord with 45-degree flat-profile plug