Allen-Bradley 1492-CA3RE 1-Circuit Open Construction NEMA Terminal Block With #6 Screw, 600 VAC/VDC, 20 A, 22 to 14 AWG Wire
Bulletin 1492 open construction terminal blocks (styles C and F) provide visual verification that the wire is properly positioned in the clamping area. You can use a standard screwdriver for wiring the blocks. Styles C and F blocks mount more securely on Allen-Bradley rail, some also mount on DIN rail. Several style C blocks accept snap-on markers for marking long wire identifications.