GROUND CLAMPS.
“Neco” and “Griptite” clamps for rigid conduit, in sizes for ½-inch to 3-inch pipe. ”Flexclamp” for Greenfield flexible steel conduits or armored cable, sizes A to E, inclusive. Approved March 20, 1908. Manufactured by
Novelty Electric Co., 50-54 North Fourth St., Philadelphia, Pa.