Electrical Insulation Integrity


This standard defines a method for insulation integrity testing on rail passenger vehicles.

Document History
Document Number Version Publication Date Publication Related Information
APTA PR-E-S-001-98 Rev. 3 01/15/2021 Published Current
APTA PR-E-S-001-98 Rev. 2 01/22/1998 Published Superseded


 electrical insulation, insulation integrity


This standard was titled “Insulation Integrity” in the previous publication of this document. This standard contains requirements for electrical insulation integrity testing, including requirements for new apparatus and equipment prior to on-vehicle installation; maintenance testing; and testing of complete vehicles. Specific test requirements detailed include continuity checks, insulation resistance testing and dielectric testing.

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