Manufacturer · HCAI/OSHPD OSP
Potter Signal (Harrington Signal/Evax) — OSP Preapprovals
All 1 HCAI/OSHPD Special Seismic Certification preapprovals issued for Potter Signal (Harrington Signal/Evax) equipment. 0 active, 1 expired. Source data from HCAI · updated 2026-04-21.
About Potter Signal (Harrington Signal/Evax) 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 (Harrington Signal/Evax) equipment? Talk to a Panache engineer.