International Flexible Aluminum Conduit (UL Listed. CSA certified. Heavy Wall Aluminum.Type HWA.) Uses • Specifications • Home Page FEATURES: Extra heavy aluminum construction Primary aluminum alloy for maximum strength Superior corrosion resistance Smooth interior for easy wire pull-thru Easy installation to follow contours Built in flexibility for simplified positioning Exceptional crush proof and tension test qualities Available in units cut to specific lengths - consult factoryFeatures: Listed connectors available from leading manufacturers Complies with UL-1 File number E25633, CSA C22.2 File number 14901, NEC Article 350 and Federal Specification WW-C-566C Firewall penetration rating one and two hours per UL 1479 File number 14879 and ANSI Standards E119 and E814 All items, except 7/16", available with dual listing for UL/CSA USES: International Flexible Aluminum Conduit is a conduit with exceptional strength and appearance. It is used in the building trades, machine wiring or anywhere a top quality conduit is required. SPECIFICATIONS: Trade Size And Catalog Number Acceptable Internal Diameter Acceptable External Diameter Bending Radius in Inches Approx. Weight of 100 Ft. Approx. Feet Per Standard Coil Min. Max. Min. Max. HWA-5/16 0.312 ––– 0.470 0.510 1-3/4 6.5 250 or 500 HWA-3/8 0.375 0.393 0.560 0.610 2 7 100 or 250 HWA-7/16* 0.437 ––– ––– 0.675 2-1/4 8 250 HWA-1/2 0.625 0.645 0.860 0.920 3 15 100 HWA-3/4 0.812 0.835 1.045 1.105 4 18 100 HWA-1 1.000 1.040 1.300 1.380 5 36 50 HWA-1-1/4 1.250 1.300 1.550 1.630 6-1/4 38 50 HWA-1-1/2 1.500 1.575 1.850 1.950 7-1/2 40 25 HWA-2 2.000 2.080 2.350 2.450 10 43 25 HWA-2-1/2 2.500 ––– 2.860 3.060 12-1/2 82 25 HWA-3 3.000 ––– 3.360 3.560 15 90 25 HWA-3-1/2 3.500 ––– 3.860 4.060 17-1/2 106 25 HWA-4 4.000 ––– 4.360 4.560 20 128 25 * CSA Certified only Special packaging: 5/16" & 3/8"- Available in 1000 ft., 1500 ft. and 2000 ft. reels. 1/2" and 3/4" are available in 500 ft. and 1000 ft. reels. 1" through 4" are available on reels - consult factory.