590.6(A) does not apply to these receptacles.
590.6 Ground-Fault Protection for Personnel.
Ground-fault protection for personnel for all temporary wiring installations shall be provided to comply with 590.6(A) and (B). This section shall apply only to temporary wiring installations used to supply temporary power to equipment used by personnel during construction, remodeling, maintenance, repair, or demolition of buildings, structures, equipment, or similar activities.
This section shall apply to power derived from an electric utility company or from an on-site-generated power source.
The code only applies to T&M work....it does not apply to contract work.