4Security.com

We are a family run business with electrical licenses in both Massachusetts and Vermont. The founder of 4Security, David McKinnon, has been a Fire and Security Technician since 1979. David holds his Journeyman's electrical license in the State of Vermont since 1982, and holds 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 is one of the first instructors who had taught the C & D licensees at the Convention Center in Springfield, MA. Mr. McKinnon 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, 4Security has 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 specialize in Security, Intercom, Apartment Door Entries, and much more. Continuing Education is a cornerstone of our business, as David McKinnon is a Board Certified Instructor for the Electrical and Fire Alarm Codes since 1992. Visit our MCE page for our class registration. Click here to learn more about instructor David McKinnon.

Mandatory Continuing Education

We understand the importance of staying updated with the latest codes and regulations. That's why we offer Mandatory Continuing Education (MCE) classes for professionals in the industry. Our classes are designed to provide the necessary knowledge to maintain your licenses and stay compliant with the latest codes. Join our mailing list to get the latest updates and notifications about upcoming classes.