Why would you pull off the top of a cable reel instead of the bottom?

Your old timer had it right. The general rule across supply houses and industrial wire shops is pretty consistent: payout comes off the top when the reel is sitting lower than your pulling line, and payout comes off the bottom when the spindle is racked up high.

When a spool sits six or seven feet up in open J-cups and you pull down from the top, you're applying forward leverage right across the top edge. If that wire binds, catches on a staple, or snags on the flange for even half a second while someone is hauling on it, that tension will roll the arbor bar straight out of the cradle. When you pull from underneath, the force vector pulls down and back into the throat of the saddle. Tension acutally drives the axle deeper into the rack instead of levering it out.

The only real arguement for pulling off the top on high racks is momentum control. Pulling from underneath gives you a little more wire slack and birdnesting if the spool free-wheels after a sudden stop, while coming off the top tends to settle cleaner against the wraps. But that's an inertia issue you handle with a simple friction brake or a 2x4 paddle, not by compromising how the arbor seats. Obviously, if your rack has closed eyes with drop-in locking pins, the arbor can't jump out anyway, so it matters a lot less. But on standard open cradles, you want that vector pulling the bar home. Just don't bother bringing physics diagrams into the shop to prove him wrong, because you'll just end up getting handed the heaviest pulls for the rest of the month.

Seen this exact move dump a 2,500 lb spool of 500 kcmil off an old Greenlee 687 setup becasue someone didn't want to take five minutes to flip the arbor.

Aside from the physics on open saddles, pulling from the bottom on a high rack keeps the natural coil memory feeding cleanly into your first sheave or a Greenlee 686 feeder. If your lead is that terrified of payout roll, tell him to requisition some Current Tools 401 stands with real lock pins so you guys can stop arguing over basic rigging before someone catches a flange to the teeth.

Honestly, this whole headache is why our shop scrapped open uprights and switched entirely to the Current Tools 506 heavy-duty reel stands. They have captive locking pins over the rollers, so you can pull whichever direction feeds your tugger cleanest without worrying about an arbor launching across the slab.

If you're stuck with your existing vertical rack setup, tell the shop manager to pony up for the Rack-A-Tiers Reel-Lock collar clamps. Slap those on your arbor bars and it ends this safety arguement for good.

On stacked racks, pulling off the top's an absolute nightmare anyway. You're almost guaranteed to drag the run right across the flanges of whatever spools are sitting below it. We've chewed up jacket on 4/0 before 'cause someone pulled high and it scraped the lower tier the whole damn time.

Coming off the bottom drops it clean past the lower spindles without hanging up. If your lead's still convinced he's right, make him stand there and tail it—he'll change his tune real quick once he's fighting pinch points and clearance issues.

Spot on with the saddle physics, but there's another practical detail guys miss: reading the footage tape on the jacket. When you pull off the top that high up, the print is turned toward the ceiling untill the wire drops past your head, so whoever's spotting the cut has to crane thier neck into the bay lights to read the numbers. Coming off the bottom keeps the jacket right at eye level as it unrolls, wich saves you from blowing past your mark and wasting expensive copper.

Quick update — settled this today. I showed my lead the point about dragging jacket across the lower flanges on stacked tiers, and that imediately got trough to him. We flipped the spool to pay out from the bottom, and it fed into the first sheave way smoother with zero jump in the cradle. Appreciate the sanity check, guys.