the Southwire Building Wire is what you need
Residential Includes Mounting Hardware Yes Additional Electrical Protections GFCI & Surge Protection Current Rating 20 A Grounding Grounded Horsepower Rating 1 hp Number of Outlets 2 Cover Type No Cover Maximum Operating Temperature 66 Degrees C Housing Material Polycarbonate Hub Type Feed Through Visual Indicator Lights Power Connected Self Testing Yes Housing Color Ivory Primary Resistance Properties 20 A Polarized Yes CSA C22
Users Manual Special Features Closed Case Calibration Through Front Panel
Type Pinch Bars Material Heat Treated Carbon Steel End Style Chisel Color Black Tether Style Tether Capable Handle Color Black Tether Ready No Bar Shape Round End Angle Style Straight
Inside Width 23 in
Stauff SP-321.3/21.3-ACT-GD-AS-U-W5-K-642012 Twin Beta Clamp Kit, 21-5/16 mm Tube OD, Smooth Bore, 316 Stainless Steel, Polypropylene Cushion, Weld-On, 2 Lines G7248805 the Southwire Building Wire isBeta Clamp, Clamp Bore Style Smooth, Clamp Material 316 Stainless Steel, Clamp Material Finish Elastomer, Clamp Type Weld Mount Twin Assembly, Cushion Material Polypropylene, For Maximum Outside Diameter 21 5 16 mm, For Number of Lines 2 Bore Style Smooth Clamp Material 316 Stainless Steel Clamp Material Finish Elastomer Clamp Type Weld Mount Twin Assembly Cushion Material Polypropylene For Maximum Outside Diameter 21 5 16 mm For Number of Lines 2