Article 210 provides GFCI requirements in 210.8 and AFCI requirements in 210.12. These requirements apply to 125V receptacles rated at 15A or 20A (circuits are 120V, but the receptacles are rated 125V ...

If the receptacle were a 20A duplex, the applicable rule would be Sec. 210-21 (b) (2) and the limits in Table 210-21 (b) (2) would apply, limiting the permitted receptacle loading to 16A. Although ...