Conduit piston (mouse). Used to vacuum pull rope through long lengths of conduit…. Vacuum the rope through, then attach your wire, then pull the rope back. : r/specializedtools

How to pull wire in conduit with a vacuum

Long runs of PVC (or any conduit for that matter)

INDUSTRIAL HARDWARE SOURCE BOOK

IDEAL 0.13 ft. x 1-1/4 in. Foam Carrier, Blue (3-Pack) 31-469

Conduit Pistons Acme Construction Supply Co., Inc.

Conduit Mouse

L.I.P.™ Conduit Feeding Sheaves

Metal ring, spring loaded, with two holes. Found on a boat

This works for vacuuming twine through conduit! : r/electricians

Greenlee - Piston Set 1/2-2, Fishing (S2613) - Conduit Fittings

Metal ring, spring loaded, with two holes. Found on a boat

Metal ring, spring loaded, with two holes. Found on a boat

Sigma Engineered Solutions ProConnex 49672 Rigid to Box Pull Elbow

Ideal foam carriers are designed to attach to a suitable line to serve as a piston that clears out water or debris as it travels through the conduit.

IDEAL 0.13 ft. x 1-1/4 in. Foam Carrier, Blue (3-Pack) 31-469 - The Home Depot

Diamond Tool: iToolco C6K.2 Cannon 6K 6,000 lb. Wire Puller