Business & Professional Regulation ›  Construction Industry Licensing Board ›  Chapter 61G15-33 · Responsibility Rules Of Professional Engineers Concerning The Design Of Electrical Systems

Rule 61G15-33.003. Design of Power Systems

Amended February 17, 2025 (current)

(1) Power systems convey or distribute electrical energy. Items to be considered in the design and analysis of power systems are, as applicable to the particular project: steady state and transient load characteristics, short circuit availability, arc flash potential, load flow, voltage drop, effects of harmonics, power factor, and protective device coordination.

(2) For Engineering Documents pertaining to Electrical Systems exempted by the threshold requirements for mandatory use of professional engineering services established by Section 471.003(2)(h), F.S., the Engineer of Record shall determine the level of detail shown on plans for an Electrical system. All such plans shall include a disclaimer stating the Electrical systems are exempt from professional engineering services and shall provide a clear understanding of the minimum system requirements expected to be installed by the contractor and permitted by the authority having jurisdiction (AHJ). In the event the Engineer of Record provides more information and direction than its minimally required, he or she shall be held responsible for the technical accuracy of the work in accordance with applicable codes, standards, and sound engineering principles.

(3) Electrical Engineering Documents for power systems that exceed the threshold requirements for mandatory use of professional engineering services must include the following information, if applicable to the particular project:

(a) Power distribution riser diagram.

(b) Conductor sizes (AWG or kcmil) and insulation type, or cable assemblies characteristics.

(c) Circuit interrupting devices, ratings and fault current interrupting capability.

(d) Location and characteristics of any surge protective devices, if included in the engineering design.

(e) Main and distribution equipment, control devices, locations and ratings.

(f) Circuitry of all outlets, equipment and devices.

(g) Feeder and service capacity calculations.

(h) Electrical legends.

(i) Grounding and bonding requirements.

(j) Instrumentation and control when necessary for safe operation or to show intended function.

(k) Engineering Documents applicable to power systems filed for public record shall also contain information required by the Florida Building Code, incorporated by reference in subsection 61G15-18.001(6), F.A.C.

(l) Engineers performing arc flash hazard analysis must determine arc flash approach distance, assess and convey the incident energy levels, and identify appropriate PPE class. Any such verification shall constitute an Engineering Certification as that term is defined in subsection 61G15-18.011(4), F.A.C., and must comply with the Responsibility Rules, including Rule 61G15-29.001, F.A.C. Rulemaking Authority 471.008, 471.033(2) FS. Law Implemented 471.033 FS. History–New 5-19-93, Formerly 21H-33.003, Amended 11-13-08, 12-4-17, 11-15-21, 2-17-25.