How does the gain from back-to-back bends affect the Total Length calculation?

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The gain from back-to-back bends adds to the Total Length calculation because each bend in a conduit potentially alters the path of the conduit, effectively increasing the distance that the conduit has to cover compared to a straight run. When bends are made, particularly back-to-back ones, the effective length of the conduit must account for the added distance that the bends create. This additional length can be important when calculating the total material needed and ensuring proper fittings and routing in electrical or plumbing installations.

In practice, the bends create curves that not only require more conduit material but also might necessitate additional fittings, which can further affect the overall layout and planning of the installation. Therefore, each pair of back-to-back bends contributes to the total length that needs to be considered in project calculations.

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