Provides AC power lines, data/signal/telephone lines, and DC and low-voltage current surge protectors. UL 1449, 3rd Ed listed, MIL-SPEC and ISO 9001:2008 certified. Offers a 20-year warranty/free modules for life where applicable. Custom orders welcome. OEM, industrial, commercial and smart home applications since 1967. Call us or www.mcgsurge.com