Most low-voltage licensing is regulated at the state and local level. But a handful of federal credentials apply on top, and they're often missed by installers focused only on the state rulebook.
FCC General Radiotelephone Operator License (GROL)
If you install, maintain, or repair equipment that transmits over public-radio spectrum - two-way radio, certain wireless backhaul, marine communications, aviation communications - the technician of record may need an FCC General Radiotelephone Operator License. This is a relatively niche requirement; for typical commercial cabling, structured cabling, security, and AV work it does NOT apply.
The GROL is issued by the Federal Communications Commission via Element 1 and Element 3 examinations. Required for: any installation where the system transmits over licensed FCC spectrum and the technician modifies or aligns the transmit chain.
FAA tower work registration
Any low-voltage installer doing camera, antenna, or DAS work on a registered communications tower needs to comply with FAA registration and notice-of-construction rules. The FAA's Antenna Structure Registration (ASR) database is the canonical reference; tower owners are responsible for the registration but you're responsible for following the rules while working on the structure.
OSHA construction safety
OSHA 10 and OSHA 30 (covered in our certification directory) are not technically required by federal law for low-voltage installers, but they are de-facto contractual requirements on most commercial construction sites. Many general contractors require OSHA 10 for any worker on site and OSHA 30 for any supervisor.
What's NOT federal
Things that vary by state, NOT federal:
- Electrical contractor licensing. No federal license exists.
- Alarm / burglar / fire alarm licensing. State or city-level only.
- Background-check requirements. Vary by state and by AHJ.
- Insurance minimums. Vary by state and by individual project specifications.
The federal layer is intentionally thin in low-voltage work because the trade is primarily local, building-by-building, jurisdiction-by-jurisdiction.