49 C.F.R. § 192.471 External corrosion control: Test leads.
Title 49 - Transportation
(a) Each test lead wire must be connected to the pipeline so as to remain mechanically secure and electrically conductive. (b) Each test lead wire must be attached to the pipeline so as to minimize stress concentration on the pipe. (c) Each bared test lead wire and bared metallic area at point of connection to the pipeline must be coated with an electrical insulating material compatible with the pipe coating and the insulation on the wire.
Title 49: Transportation
PART 192—TRANSPORTATION OF NATURAL AND OTHER GAS BY PIPELINE: MINIMUM FEDERAL SAFETY STANDARDS
Subpart I—Requirements for Corrosion Control
§ 192.471 External corrosion control: Test leads.
