Как да изчислим Conduit Fill
Какво е Conduit Fill?
Conduit Fill Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.
Формула
Fill % = (Sum of Wire Cross-section Areas / Conduit Area) × 100
Ръководство стъпка по стъпка
- 1Look up wire cross-sections from NEC table, sum, compare to conduit
- 2Apply the formula using your project measurements
- 3Add required safety factors or waste allowances per code
Worked Examples
Вход
3 wires in 1/2 inch conduit, 40% max fill
Резултат
Fill = Σ wire areas / conduit area — must be ≤40%
Common Mistakes to Avoid
- ✕Not applying code-required safety factors or derating
- ✕Forgetting to account for waste and cut losses in material estimates
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