The validity of a certificate is normally five years from the date of certification, and the expiry date is indicated on the certificate and/or wallet card. They have achieved NETA Certification at Level 2, Level 3 or Level 4 through successful completion of the NETA examinations and meet continuing education, training, and years of experience requirements. Why is Certifying Technicians Important? Inherent in the determination of the equipment's. This handbook covers the code of practice in protection circuitry including standard lead and device numbers, mode of connections at terminal strips, colour codes in multicore cables, dos and donts in execution. Also principles of various protective relays and schemes including special protection. We have implemented a procedure for existing IRATA technicians to extend their certification and will consider applications for certification that has expired on or following 01/02/2020, or certification that will expire within 30 days from the date of application and additionally meet with at. The prerequisite to get in as a relay tech is to have at least an associates degree in electrical technology, although almost all of our new hires have at least a BSEET and some with a MSEE. In lieu of a degree the company also accepts certain military experience. It is the responsibility of the certificate holder to initiate the process required for revalidation and expiry of your certification means. This document forms a part of the PCN General requirements for the certification of personnel engaged in NDT and should be read in conjunction with the current issue of PCN/GEN (see references).