Question: 37.No.8 Aluminium wire (THW insulation) is being pulled into a raceway. The raceway will hold 6 current carrying wires in an area with an ambient

37.No.8 Aluminium wire (THW insulation) is being pulled into a raceway. The raceway will hold 6 current carrying wires in an area with an ambient temperature of 55. What is the ampacity of the wire?

a. 18 b. 21 c. 26 d. 47

38. Conductors rated for 360 A are installed in a raceway carrying a total of 9 conductors. What is their maximum ampacity according to the National Electric Code ?

a. 40 b. 180 c. 252 d. 360

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