Oklahoma Administrative Code
Title 748 - Oklahoma Uniform Building Code Commission
Chapter 20 - Adopted Codes
Subchapter 10 - NEC[®] 2020
Section 748:20-10-8 - NEC[®] 2020 Chapter 2 Wiring and Protection
Chapter 2 of the Oklahoma adopted NEC®2020 is adopted with the following modification: Section 210.08 (F) Outdoor Outlets. This section has been modified to include mini-split-type heating/ventilating/air-conditioning equipment and other HVAC units employing power converstion equiement as a means to control compressor speed. This section has been modified to read: 210.08 (F) Outdoor Outlets. All outdoor outlets for dwellings, other than those covered in 210.8 (A) (3), Exception to (3), and for mini-split-type heating/ventilating/air-conditioning (HVAC) equipment and other HVAC units employing power conversion equipment as a means to control compressor speed, that are supplied by single-phase branch circuits rated 150 volts to ground or less, 50 amperes or less, shall have ground-fault circuit-interrupter protection for personnel. Informational Note: Power conversion equipment is the term used to describe the components used in HVAC equipment that is commonly referred to as a variable speed drive. The use of power conversion equipment to control compressor speed differs from multistatage compressor speed control. Exception: Ground-fault circuit-interruputer protection shall not be required on lighting outlets other than those covered in 210.8 (C).