Regl. 5293, art. 318-9(c)-320
OPEN WIRING ON INSULATORS
Cite as Reglamento Núm. 5293, Art. 318-9(c)-320
70-207
(3) Where single conductors are installed in a triangular configuration
in uncovered cable trays, with a maintained space of not less than 2.15
times one conductor diameter (2.15 X O.D.) between circuits, the ampacity of Nos. 1/0 and larger cables shall not exceed the allowable ampacities
in Tables 310-67 and 310-68.