Credential type: certification examination · verified on the issuer's site September 20, 2026 issuer page
Exam Domains
1 Hand Signal StandardsWeight not published
2 Voice and Radio SignalsWeight not published
3 Communication ProtocolsWeight not published
4 OSHA Signalperson RequirementsWeight not published
Exam Details
Question TypesMultiple Choice
FormatLinear (computer-based at Prometric for written; hands-on for practical)
Online ProctoringNot available
ID RequirementsGovernment-issued photo ID required at Prometric test center. Name on ID must match registration exactly.
RenewalRequired -- Certifications valid for 3 years. Renewal requires passing the practical re-examination. Written exam retake may also be required depending on certification type. Renew at nccco.org before certification expiration.
Retake PolicyContact NCCCO directly for current retake waiting periods and fees. Written and practical retakes are scheduled and priced independently.