Greenlee 50222910 Heavy-Duty Cable Cutter, 31-1/2"

Yes, 750 KCMIL is the maximum copper capacity on the 50222910. For repeat cutting all day, Greenlee rates it at 500 KCMIL copper. On aluminum it goes higher: 1000 KCMIL maximum, 750 KCMIL for frequent use. If you are cutting 750 MCM copper feeders on every job, you are running the tool at its ceiling and blade life will show it.

Up to 1-1/2 inch (38 mm) diameter communication cable, and that figure is the same for maximum and frequent use, so bundled comm runs at that size are within its normal working range rather than a one-off cut. Note the rating is by diameter for comm cable and by KCMIL for copper and aluminum conductors.

Yes, it rebuilds. Greenlee lists cutter unit 6555 as the replacement blade assembly, which includes both blades, and handle unit 22296 as the replacement handle assembly. That is the whole wear path on this tool, so a shop cutting large feeders regularly can keep one on the truck for years and just swap the cutter unit when the blades stop biting.

The handles on the 50222910 are fiberglass, which Greenlee specifies for light weight, not as an insulation rating. There is no voltage rating on this tool. Treat it as a de-energized cutting tool: lock out and verify dead before you cut. If you need a tool certified for work on or near energized conductors, you want a 1000V insulated cutter, which is a separate product line.

It is a two-hand scissor-type heavy duty cutter with 31-1/2 inch handles, so you cut in one stroke using the leverage of the full handle span rather than pumping a ratchet. That means you need room to spread both arms at the cut, which matters in a crowded gutter or a tight pull box. If you are working in confined space or cutting overhead one-handed, a ratcheting cable cutter is the better tool for that situation.

There is an adjustable pivot bolt on this cutter that sets blade clearance. When the blades start to pass instead of shear, or the action gets sloppy after heavy use, the pivot is what you adjust before you condemn the tool. If tightening the pivot does not bring the shear back, the blades themselves are worn and the 6555 cutter unit replaces both of them.

No. The published capacities cover copper, aluminum, and communication cable only. Shearing hardened steel messenger, ACSR core, guy wire, or rebar with these blades will notch or chip them, and the fix is a new 6555 cutter unit. Use a dedicated wire rope or ACSR cutter for those.

Greenlee 50222910 is the part number, and it is a single configuration, no handle or blade options to specify. Ordering the tool gets you the complete cutter; the 6555 cutter unit and 22296 handle unit are separate service parts you buy later, not build options.