Field intelligence for the low voltage trade
Low Voltage Nation
News, permits, tools & projects — updated daily
2,132 posts
Permits & Licensing
Minnesota requires a Power Limited Technician (PLT) license for intercom installation, requiring 36 months of supervised experience. The PLT is a personal license - technicians must work for licensed contractors. Most residential work is permit-exempt while commercial requires permits.
Feb 8, 2026
Permits & Licensing
Massachusetts requires both a Systems license (Class D or C) and Security Clearance Certificate (S-License) for burglar alarm installation. Most municipalities require alarm registration with false alarm ordinances. Commercial work requires permits while residential typically needs only alarm registration.
Feb 8, 2026
Permits & Licensing
Massachusetts requires Systems Technician (Class D) or Systems Contractor (Class C) licenses for intercom installation. The Class D requires 4,000 hours experience and 300 hours education. Commercial work requires permits through local building departments while most residential work is permit-exempt.
Feb 8, 2026
Permits & Licensing
Maryland regulates alarms at multiple levels with state oversight of monitoring companies and county-level contractor registration and alarm permits. Most jurisdictions require alarm registration and have false alarm ordinances. Commercial projects typically require building permits while residential work needs alarm registration.
Feb 8, 2026
Permits & Licensing
Maryland has a multi-jurisdictional approach to low voltage licensing with no state-level low voltage license. Each county has its own contractor registration and permit requirements. Most residential intercom installations are permit-exempt while commercial projects typically require permits through local building departments.
Feb 8, 2026
Permits & Licensing
Maine requires a Limited Electrician - Low Energy license to install burglar alarm systems. Many municipalities have alarm registration requirements and false alarm ordinances. Most residential installations are permit-exempt while commercial projects may require permits through local building departments.
Feb 8, 2026
Permits & Licensing
Maine regulates intercom installation through the Limited Electrician - Low Energy license, requiring 270 hours of education and 4,000 hours of experience. Most residential installations are permit-exempt when performed by licensed contractors, while commercial projects typically require permits through local code enforcement offices.
Feb 8, 2026
Permits & Licensing
Complete guide to burglar alarm permit requirements in Louisiana. State Fire Marshal licensing for alarm contractors explained.
Feb 8, 2026
Permits & Licensing
Complete guide to intercom permit requirements in Louisiana. State Fire Marshal and LSLBC licensing requirements explained.
Feb 8, 2026
Permits & Licensing
Complete guide to burglar alarm permit requirements in Kentucky. No state license - local requirements and alarm permits vary by city.
Feb 8, 2026
Permits & Licensing
Complete guide to intercom permit requirements in Kentucky. No state license required for low voltage - local requirements vary.
Feb 8, 2026
Permits & Licensing
Complete guide to burglar alarm permit requirements in Kansas. No state license - local requirements and alarm permits vary by city.
Feb 8, 2026
Permits & Licensing
Complete guide to intercom permit requirements in Kansas. No state license - local requirements vary by city and county.
Feb 8, 2026
Permits & Licensing
Complete guide to burglar alarm permit requirements in Iowa. Learn about DIAL licensing, CAT certification, and local alarm permits.
Feb 8, 2026
Permits & Licensing
Complete guide to intercom permit requirements in Iowa. Learn when DIAL licensing applies and local permit requirements.
Feb 8, 2026
Low Voltage Nation is a media and community platform. We do not broker, verify, or guarantee jobs, projects, or vendors. All transactions and compliance are the responsibility of the parties involved.
© 2026 Low Voltage Nation. All rights reserved.