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Frankie
Frankie asked in Science & MathematicsEngineering · 9 years ago

The maximum number of #10 THHN copper conductors that can be installed in a 3/4 inch rigid metal conduit accor?

The maximum number of #10 THHN copper conductors that can be installed in a 3/4 inch rigid metal conduit according to nec?

A. 9

B.10

C. 11

D. 12

2 Answers

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  • Anonymous
    9 years ago
    Favorite Answer

    per nec based on percent conductor fill for 3/4 conduit

    for new work

    #10THHN (use col-B)

    max = 7

    for rewiring

    #10THHN (use col-B)

    max = 11

  • Irv S
    Lv 7
    9 years ago

    10

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