Yes, licensed plumbers in Florida can install 120-volt wiring in certain circumstances.Code Reference

Florida Building Code (FBC), 2020 Edition, Section 695.1(2)

Conditions

According to the FBC, licensed plumbers are authorized to install 120-volt wiring as part of a plumbing system if the wiring is: Designed to control the operation of a plumbing appliance, fixture, or equipment Incidental to the installation, alteration, repair, or replacement of the plumbing system In accordance with the applicable electrical code (

NEC), NFPA 70NEC Requirements

The NEC governs the installation of electrical wiring and equipment in the United States. According to the NEC:

Article 100

Defines the scope and application of the NEC.

Article 300

Covers general requirements for wiring methods and materials.

Article 404

Addresses the requirements for fixed heating equipment.

Exceptions

Plumbers are not authorized to install electrical wiring that: Is not incidental to the plumbing system Requires a separate electrical permit Is for general lighting or power distribution* Is connected to a circuit protected by a circuit breaker or fuse rated over 20 amperes

Recommendation:

To ensure compliance with all applicable codes and standards, it is recommended to consult with both a licensed electrician and a licensed plumber before installing any electrical wiring on a boiler or other plumbing system. Flag for review