FLEXIBLE CORDS AND CABLES

A. General 400-1. Scope. This article covers general requirements, applications, and construction specifications for flexible cords and flexible cables. 400-2. Other Articles. Flexible cords and flexible cables shall comply with this article and with the applicable provisions of other articles of this Code. 400-3. Suitability. Flexible cords and cables and their associated fittings shall be suitable for the conditions of use and location. 400-4. Types. Flexible cords and flexible cables shall conform to the description in Table 400-4. Types of flexible cords and flexible cables other than those listed in the table shall be the subject of special investigation. Notes to Table 400-4 1. Except for Types HPN, SP-1, SP-2, SP-3, SPE-1, SPE-2, SPE-3, SPT-1, SPT-2, SPT-3, TPT, and 3-conductor parallel versions of SRD, SRDE, SRDT, individual conductors are twisted together. 2. Types TPT, TS, and TST shall be permitted in lengths not exceeding 8 feet (2.44 m) where attached directly, or by means of a special type of plug, to a portable appliance rated at 50 watts or less and of such nature that extreme flexibility of the cord is essential. 3. Rubber-filled or varnished cambric tapes shall be permitted as a substitute for the inner braids. 4. Types G, S, SC, SCE, SCT, SE, SEO, SEOO, SO, SOO, ST, STO, STOO, and W shall be permitted for use on theater stages, in garages, and elsewhere where flexible cords are permitted by this Code. 5. Elevator traveling cables for operating control and signal circuits shall contain nonmetallic fillers as necessary to maintain concentricity. Cables shall have steel supporting members as required for suspension by