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The 2017 National Electrical Estimator has a complete cross-referenced index. Find the subject you need in the left column. Then click on the subject link in the right column to jump to the costbook page.

2017 National Electrical Estimator

Subject Subject links
45 degree elbows 
  GRS90 degree galvanized rigid steel elbows  | GRS Hand Benders are on page 52.  
  sweeping PVCTop of Page 44