i Ro or RU, or thermo-plastic-insulated, Type T. Conductors smaller than No. 2 A.W.G. installed in wet locations such as in underground raceways, in raceways installed in con- crete or masonry floor slabs in direct contact with earth, or in raceways regularly subject to moisture or condensa- tion shall be rubber-insulated and lead-covered, Type RL, or thermoplastic-insulated specifically designed for such applications, Type TW, Conductors No. 2 A.W.G. and larger shall be heat-resistant grade, rubber-insulated, Type RH, for use in dry locations, or lead-covered, Type RHL, for use in wet locations. RH, RW, and RHL, Rubber-insulated conductors, Types R, RL, shall conform to the requirements of Fed- eral Specification J-C-103. Type RU, Rubber-insulated conductors, shall conform to the Underwriters' Laboratories, Inc., Standard for Rubber-Covered Wires and Cables. Thermoplastic-insulated conductors, Type T and TW, shall conform to the requirements of the Underwriters' Laboratories, Inc., Standard for Thermoplastic-Insulated Wires. Home runs may be combined in one conduit, provided all connections are in accordance with National Electrical Code requirements and the maximum unbalanced current in the neutral does not excee the capacity of the conductor. 3. Where indicated on the plans non-metallic sheathed cable shall be installed for branch wiring. Cable: (a) Installation of Non-Metallic Sheathed Cable shall be secured in place at intervals not ex- ceeding 4-1/2 feet and within 12 inches from every outlet bc or fitting. (b) Bends in cable shall be so made, and other handling shall be such that the protective covering of the cable will not be injured, and no bend shall have a ra- dius less than 5 times the diameter of the cable. ({c) Splices cannot be made in non-metallic sheathed cable wiring except at outlet, boxes. These boxes must be accessible. soldered and taped. {d) junction, or splicin Splices shall be Outlet boxes must be installed at all outlet or switch locations as shown on the plans. be fastened to boxes by means of built-in clamps. 16-23. OUTLETS: Cable sh. Outlets shall be installed in the location shown on the drawings. The Contractor shall study the gen- eral building plan in relation to the spaces surrounding eac outlet in order that his work may fit the other work require 16-8