List of certification committees for G1, G2, G3 examsG1, G2, G3 powers - certification committeesIn order to carry out work on electrical installations and networks in category G1, thermal installations in category G2 and gas installations in category G3, you need the appropriate authorisations. These are referred to as 'SEP authorisations', but not only the SEP - the Association of Polish Electricians - can impose them.Certification committees that may grant G1 electrical qualifications as well as for the G2 and G3 categories are appointed by the Energy Regulatory Office.The main certification committees are: SEP - Association of Polish Electrical EngineersPSE - Polish Electrical Installation AssociationSIMP - Association of Polish Mechanical EngineersSITPS or SITSpoż - Association of Food Industry Engineers and TechniciansERO may also appoint other certification committees. Therefore, there are several hundred different committees in Poland, before which participants of the so-called G1, G2, G3 trainings - can obtain qualifications.It is worth pointing out that the powers issued by the examination committees: SEP, PSE, SIMP, SITPS are granted for a specified period of 5 years. After this time, it is necessary to renew them by retaking the exam.