With over 40 years of experience, MCG Surge Protection is a leading supplier of high quality lightning, surge and transient overvoltage protection devices. Broad product line includes UL-listed AC Power Line, Data Line, Low Voltage and DC Protectors. 20-yr warranty; lifetime on protection modules. Custom welcome. Call us with your application: 800-851-1508; www.mcgsurge.com. ISO-9001-2000 Certified Company.