Quantcast Figure 5-49.Bending a conduit saddle bend.

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Figure 5-49.—Bending a conduit saddle bend. SADDLE BENDS.—Saddles may be necessary when obstructions (fig. 5-49) are encountered. The most common method of straddling an obstacle is the three-bend saddle, using a 45-degree center bend and two opposing 22 1/2-degree bends. All measurements begin with locating the center of the obstruction on the conduit and marking it as Point A. Table 5-4 shows shrinkage factors and distances for marks "B" and "C." The formula is from mark “A,” add 3/16 of an inch times saddle depth and distance from mark “A” to marks "B" and "C" = 2.5 inches times saddle depth. Figure 5-49 is an example of placing a 4-inch saddle around a conduit that is 15 inches from a junction box. Following the bending sequence shown, pay close attention  to  the  orientation  of  the  bender  head. Remember to use the star arrow on the bender to align Point A for the 45-degree center bend and the front arrow to align the bender with marks "B" and "C" for the 22 1/2-degree bends. Be sure to line up all bends in the same plane. This procedure is true of all bends, not just a saddle. Table 5-4.—Bending Conduit Saddle Table, Shrinkage Factors, and Distances BENDING  CONDUIT  SADDLE  TABLE, SHRINKAGE FACTORS, AND DISTANCES SADDLE PLACE  CENTER  MARK  "A" DEPTH AHEAD OF ACTUAL CENTER BY PLACE  MARKS  "B"  AND  "C" EACH WAY FROM CENTER 1" 3/6" 2-1/2" 2" 3/8" 5" 3" 9/16" 7-1/2" 4" 3/4" 10" 5" 15/16" 12-1/2” 6" 1-1/8" 15" FOR EACH ADDITIONAL 3/16" 2-1/2" INCH  ADD 06NP0227 5-26

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