Relay protection and automation
For indoor & outdoor cabinets internal wiring leads (2024-07-17 No. 24NU-344)
For outdoor intermediate terminals cabinets (2024-07-16 No. 24NU-342)
For teleprotection equipment linked with relay protection and automation (2024-05-23 No. 24NU-229)
For control cables (2021-06-09 No. 21NU-185)
For substation's relay protection and automation microprocessor based relays and controllers (2020-08-26 No. 20NU-284)
For RPA indoor cabinets (2020-08-26 No. 20NU-290)
For cables between high frequency telecomunication equipment and primary equipment (2020-08-26 No. 20NU-285)
For electrical circuits electromechanical relays (2020-08-26 No.20NU-287)