49 CFR §236.529
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Inductor of the inert roadway element type shall be maintained with the inductor pole faces at a height above the plane of the tops of the rails, and with its inner edge at a horizontal distance from the gage side of the nearest running rail, in accordance with specifications of the carrier.