Manufacturer · HCAI/OSHPD OSP

Generac Power Systems Inc. — OSP Preapprovals

All 3 HCAI/OSHPD Special Seismic Certification preapprovals issued for Generac Power Systems Inc. equipment. 3 active, 0 expired. Source data from HCAI · updated 2026-04-21.

Filter:All Active only Expired only

Equipment categories from Generac Power Systems Inc.

Automatic Transfer Switches
Generators

OSP #	Sub-Category	Expires
OSP-0282	Generators	5/15/2031	Details →
OSP-0682	Automatic Transfer Switches	2/3/2032	Details →
OSP-0818	Automatic Transfer Switches	8/22/2030	Details →

About Generac Power Systems Inc. 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 Generac Power Systems Inc. equipment? Talk to a Panache engineer.

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