GIVEN 4 COPPER TYPE THHN CONDUCTORS AS FOLLOWS: 2 SIZE 10 AWG 2 SIZE 8 AWG. THESE 4 CONDUCTORS ARE IN A RACEWAY 12′ LONG, WHAT IS THE MINIMUM SIZE ELECTRICAL METALLIC TUBING (EMT) THAT CAN BE USED TO ENCLOSE THESE 4 CONDUCTORS?
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windy city oil field, karamay, xinjiang, China
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