Branch-Circuit Conductor Footage Takeoff
Takes off the branch-circuit wire to order and how many rolls: total = circuits x (home run + makeup) x conductors; rolls = ceil(total / roll length). 20 circuits at a 45 ft average home run, three conductors each, with 15 ft of box makeup, is 3,600 ft - 4 thousand-foot rolls per color. Set conductors to 1 for cable (NM / romex). The panel schedule drives the count; wire is bought per color.
Formula and source
total_ft = circuits x (avg_homerun_ft + makeup_ft) x conductors_per_circuit; rolls = ceil(total_ft / roll_ft).
Branch-circuit footage takeoff identity by name (circuits x per-circuit length x conductors; rolls from total / roll); first-principles count arithmetic.
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