Reference Data - Cooper Industries

1 Electrical Metallic Tubing (EMT) Thinwall ConduitRigid aluminum ConduitDimensions taken from ANSI *Conduit plus weight of heaviest conductor combination as specified by the National Electrical rigid Conduit shall be supported at least every 10 feet ( m) and within 3 feet (914 mm) of each outlet box,junction box, cabinet, or fitting, except for straight runs of conduit connected with couplings which may be supported inaccordance with NEC Table (B)(2), provided such supports prevent transmission of stresses to termination whereconduit is deflected between taken from ANSI *Conduit plus weight of heaviest conductor combination as specified by the National Electrical Metallic tubing shall be supported at least every 10 feet ( m) and within 3 feet (914 mm) of each outlet box,junction box, cabinet, or fitting.

2 See NEC Article TABLE (B)(2) Reference DataReference DataStrut Systems235 WeightWeight of ConduitNominalOutsideInsidePer 100 Ft. ( ) withand ConductorsConduit SizeDiameterDiameterPer 100 Ft. ( )*In. (10) ( ) ( ) ( ) ( )1/2 (15) ( ) ( ) ( ) ( )3/4 (20) ( ) ( ) ( ) ( )1 (25) ( ) ( ) ( ) ( )11/4 (32) ( ) ( ) ( ) ( )11/2 (40) ( ) ( ) ( ) ( )2 (50) ( ) ( ) ( ) ( )21/2 (65) ( ) ( ) ( ) ( )3 (80) ( ) ( ) ( ) ( )31/2 (90) ( ) ( ) ( ) ( )4 (100) ( ) ( ) ( ) ( )NominalMinimum WeightWeight of ConduitNominalOutsideInsidePer 100 Ft. ( ) withand ConductorsConduit SizeDiameterDiameterCouplings AttachedPer 100 Ft. ( )*In. (15) ( ) ( ) ( ) ( )3/4 (20) ( ) ( ) ( ) ( )1 (25) ( ) ( ) ( ) ( )11/4 (32) ( ) ( ) ( ) ( )11/2 (40) ( ) ( ) ( ) ( )2 (50) ( ) ( ) ( ) ( )21/2 (65) ( ) ( ) ( ) ( )3 (80) ( ) ( ) ( ) ( )31/2 (90) ( ) ( ) ( ) ( )4 (100) ( ) ( ) ( ) ( )5 (125) ( ) ( ) ( ) ( )6 (150) ( ) ( ) ( ) ( )Conduit SizeMaximum Support Meters1/2 - 3/4(15 - 20)10 ( )1(25)12 ( )11/4 - 11/2(32 - 40) 14 ( )2 - 21/2(50 - 65)16 ( )3 - 6(80 - 150)20 ( )