B60M	POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES (control of points or safety arrangements along railway lines B61L; construction of rails or points in general E01B)
	Note(s) This subclass covers: overhead, overground, or underground power-supply lines; their crossings and points, erection and supervision;devices along rails and rail joints, for current-conduction and for insulation;safety devices along the route against earth currents and inductive interference with nearby communication lines.