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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
Fittings 
  aluminum ladder cable trayTop of Page 363  
  Bus ductCircuit breaker plug-in switches for bus duct   | Combination starter/circuit breaker plug-in unit for bus duct   | End closures for bus duct, 3- or 4-wire   | Flanged end for bus duct, 600 volt, 3- or 4-wire   
  EMT conduitEMT 90 degree elbows  
  expansion8" bonding jumpers for galvanized cast expansion fitting   
  louvered cable trayTop of Page 361  
  overhead steel channelTop of Page 432  
  overhead steel racewayTop of Page 434  
  PVC coatedPVC coated steel couplings  
  sealingPVC coated Type EYD male-female sealing fittings   | PVC coated Type EZS male-female sealing fittings   
  steel raceway with receptaclesTop of Page 431  
  surface metal racewayTwo-piece 1-9/32" x 3/4" surface metal raceway assembly fittings  
  surface racewayTop of Page 426  
  underfloor racewayFittings for underfloor raceway   | Service fittings without receptacles for underfloor raceway   | Underfloor raceway duct supports with leveling screws   | Underfloor raceway one level junction boxes, 1-3/8" insert height   
  wireway NEMA 1Top of Page 330