Manufacturer · HCAI/OSHPD OSP
Potter Signal — OSP Preapprovals
All 1 HCAI/OSHPD Special Seismic Certification preapprovals issued for Potter Signal equipment. 1 active, 0 expired. Source data from HCAI · updated 2026-04-21.
About Potter Signal OSP preapprovals
Listed records are sourced from the official HCAI OSP page. Always verify status, conditions, and expiration with HCAI before specifying a component. Need PE/SE stamped anchorage calculations for Potter Signal equipment? Talk to a Panache engineer.