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How many 12 wires are in a junction box?

We will use 4 cables for 122 that enter the box and containers to calculate. First, we will count all current controllers (8 the 4 blacks and 4 blacks). Multiply by 2.25, 8 x 2.25 18 centimeters.Four 12/2 cables will enter the box and two receptacles will be used for the calculation. The current carrying conductors are black and white. Multiply by 8 by 2.25. In.

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