4Security.com

We are a family-run business with electrical licenses in both Massachusetts and Vermont. Our founder, David McKinnon, has been a Fire and Security Technician since 1979. He holds his Journeyman's electrical license in the State of Vermont since 1982 and a Systems Contractors and Systems Technicians License (C & D) in the Commonwealth of Massachusetts. Mr. McKinnon is a Board Certified Instructor of the electrical and fire alarm code since 1992. He frequently teaches both the 8-hour classes in Vermont and the 15-hour Code Classes in Massachusetts. Recently, we have been asked to teach C & D classes with the Massachusetts Electrical Contractors Association. Mr. McKinnon and his sons, John and Clark, look forward to working with you.

Our Services

Since 1979, we have provided Quality Fire Alarms and more recently the Potter Signal Fire Alarms, the symbol of protection. We are certified with FireLite, Notifier, SilentKnight FCI, ESL, and many others. We specialize in Commercial Fire Alarm & Life Safety Systems, from Design to Consulting Services. We also offer Security Systems, Intercom, Apartment Door Entries, and much more. As a certified instructor, we provide Mandatory Continuing Education for the Electrical and Fire Alarm Codes. Visit our MCE page for class registration and learn more about instructor David McKinnon.