More and more USPS facilities are being fined by OSHA. These include many willful citations. Inside sources claim the postal service making claim they are not covered by NFPA 70E but it is unlikely OSHA cited them on NFPA 70E. They usually recommend NFPA 70E for abatement of arc flash or electrical hazards but the employer can remove these hazards in other manners in some cases.
Read the press releases.