This answer is based on the 2017 NEC. A. Flexible cord must be protected by an overcurrent protection device in accordance with its ampacity as specified in Table 400.5(A)(1) or Table 400.5(A)(2) [240 ...
Article 400 covers the general requirements and applications for flexible cords as contained in Table 400.4. Article 402 covers the general requirements for fixture wires. A “flexible cord” is two or ...