Power Switchgear Assemblies Standards Transformer Standards 16-06. TO PREVENT LEAKAGE in the roof structure of alumi- num buildings, penetration of roofing panels for cable or conduit support bolts is not permissible. 16-07. NON-NETALLIC SHEATHED CABLE shall be used for ex- posed and concealed overhead branch circuit wiring for lighting unless otherwise indicated on the drawings. It shall not be used as service entrance cable; nor shall it be embedded in concrete, 16-08. SERVICE ENTRANCE CABLE shall be used for service equipment to service head where indicated on the drawings. 16-09. RIGID CONDUIT shall be used for underground branch circuit wiring for power unless otherwise indicated on the drawings. 16-10, LAMPS: All lamps will be furnished and installed by this Contractor. 16-11. SYSTEMS: Interior light and power system characteristics shall be as specified under Section 15-16 of the: specifications. 16-12. ORDINANCES AND REGULATIONS: All apparatus and material installed under this specification shall be design: ed to comply with and shall be installed in accordance with all of the legally constituted authorities having jurisdiction, including all rules and regulations of the Nationel Board of Fire Underwriters. 16-13. STANDARD PRODUCTS: Unless otherwise indicated in writing by the Engineer, the materials to be furnished und: this specification shall be the standard products of the manufacturers regularly engaged in the production of such equipment and shall be the manufacturer's latest standard design. 16-14, MATERIALS AND EQUIPMENT SCHEDULES: As soon as pra. ticable and within thirty (30) days after the date of award of Contract and before any material or equipment is purchased, the Contractor shall submit to the Engineer for approval a complete list, in triplicate, of materials, fixtures, and equipment to be incorporated in the work. Tf list shall include catalog numbers, 16-3 cuts, diagrams, drawing