The Wire

Washington requires an EL06 Limited Energy System license from L&I for intercom installation. The license requires 4,000 hours of supervised training (75% minimum supervision) and passing a state exam through PSI. Consumer products like video doorbells can be homeowner-installed, but commercial work requires proper licensing.

Feb 8, 2026

Virginia requires DCJS certification for burglar alarm installation, service, and monitoring. Working without a license is illegal. Businesses need registration with a compliance agent. All technicians must complete coursework and pass background checks. Local alarm user permits and false alarm ordinances vary by jurisdiction. DPOR electrical licensing may also apply for line voltage work.

Feb 8, 2026

Virginia has a dual regulatory system for low voltage work. DPOR handles electrical licensing while DCJS regulates electronic security. Standalone intercom work may not require permits, but security integration triggers DCJS requirements. Working on surveillance equipment without DCJS licensing is illegal. Commercial work typically requires proper licensing from one or both agencies.

Feb 8, 2026

Vermont regulates burglar alarm work through electrical licensing via the Division of Fire Safety. There is no separate alarm contractor license. Work requires appropriate licensing and Master Electrician supervision. Local alarm permits vary by municipality. Vermont has reciprocity agreements with Maine, Massachusetts, and New Hampshire for electrical licensing.

Feb 8, 2026

Vermont requires a Type-S Specialty Journeyman Electrician license for low voltage work including intercom systems. Work must be performed under Master Electrician supervision. The license requires 1-2 years of experience and 8 hours of continuing education every 36 months. Vermont has reciprocity with Maine, Massachusetts, and New Hampshire for electrical licensing.

Feb 8, 2026

Utah requires a DOPL contractor license for burglar alarm installation. The Alarm/Limited Energy classification requires experience, passing a state exam, and 16 hours of continuing education every two years. Local municipalities require alarm user permits with false alarm ordinances. Application fee is $210. DIY installation is permitted for homeowners.

Feb 8, 2026

Utah requires a Low Voltage Systems License through DOPL for intercom and other low voltage work up to 95 volts. The license requires experience documentation, passing a state exam, and 16 hours of continuing education every two years. Application fee is $210. Consumer products like video doorbells don't require licensing, but commercial intercom work requires proper credentials.

Feb 8, 2026

Tennessee requires an Alarm Systems Contractor License through the Department of Commerce and Insurance to install burglar alarm systems. No exam is required, but contractors must have a qualifying agent, registered employees, insurance, and permanent business location. Local municipalities require alarm user permits with false alarm ordinances. Employee registration and background checks are mandatory.

Feb 8, 2026

Tennessee does not typically require permits for standalone intercom installations. Contractors performing alarm system work need a Tennessee Alarm Systems Contractor License through the Department of Commerce. No exam is required, but proper business registration, insurance, and employee registration are mandatory. Work under 70 volts representing less than 50% of total business may be exempt.

Feb 8, 2026

South Dakota does not require a state alarm contractor license. The state exempts alarm and communication companies working on Class 2/3 circuits from electrical licensing. Local alarm user permits may be required in cities like Sioux Falls and Rapid City for monitored systems. No state registration exists for alarm companies, making South Dakota one of the most contractor-friendly states for security system installation.

Feb 8, 2026

South Dakota does not require permits or special licensing for most intercom installations. The state exempts alarm and communication companies working on Class 2/3 circuits from electrical licensing. This makes South Dakota one of the most contractor-friendly states for low voltage work. Standard business registration and NEC compliance are the only requirements for professional intercom installation.

Feb 8, 2026

South Carolina requires a SLED Alarm Contractor License for burglar alarm installation, service, and monitoring. Technicians must hold NTS Level I or II certification and pass background checks. Local municipalities require alarm user permits with false alarm ordinances. Understanding state licensing through SLED and local permit requirements is essential for alarm contractors in the Palmetto State.

Feb 8, 2026

South Carolina does not require permits for most standalone intercom installations. Contractors installing alarm systems or integrating intercoms with access control may need SLED licensing. Fire alarm integration requires LLR licensure with NICET certification. Basic residential and commercial intercom work is largely unregulated at the state level, though local jurisdictions may have additional requirements.

Feb 8, 2026

Rhode Island requires appropriate contractor certificates for alarm work. Fire alarm needs Certificate AF ($75 application + $240 license). Security work may fall under electrical contractor certification. Local jurisdictions may have alarm registration requirements.

Feb 8, 2026

Rhode Island requires appropriate contractor certificates for intercom installation. Certificate A (electrical) or AF (fire alarm) depending on integration. Specialty licenses require 2,000+ hours experience. Local jurisdictions require permits for commercial work.

Feb 8, 2026