Certified Journeyman Safecracker

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Certified Journeyman Safecracker (CJS) is an American trade qualification awarded to members of the National Safeman's Organization who have passed the required tests.

This is the second of three levels of certification offered by NSO. Registered Safe Technicians are eligible to test for this title. They must demonstrate knowledge of tools and techniques, dial-to-lock identification, round doors, square doors, and fire safes. Passing this test is a prerequisite for taking the tests to become a Certified Master Safecracker.

The CJS accreditation is proctored by NSO.