"II. Branch-Circuit Ratings
210.19 Conductors ù Minimum Ampacity and Size
(4) Other Loads Branch-circuit conductors that supply loads other than those specified
in 210.2 and other than cooking appliances as covered in 210.19(A)(3) shall have an
ampacity sufficient for the loads served and shall not be smaller than 14 AWG.
Exception No. 1: Tap conductors shall have an ampacity sufficient for the load served. In
addition, they shall have an ampacity of not less than 15 for circuits rated less than 40
amperes and not less than 20 for circuits rated at 40 or 50 amperes and only where these
tap conductors supply any of the following loads:
(a) Individual lampholders or luminaires (fixtures) with taps extending not longer than
450 mm (18 in.) beyond any portion of the lampholder or luminaire (fixture).
(b) A fixture having tap conductors as provided in 410.67.
(c) Individual outlets, other than receptacle outlets, with taps not over 450 mm (18 in.)
(d) Infrared lamp industrial heating appliances.
(e) Nonheating leads of deicing and snow-melting cables and mats."