External abnormal voltages such as "lightning" and "surge" are defined in NFPC (Fire Safety Performance Standard) and NFTC (Fire Safety Technology Standard). 2025.07.30
Manufacturing and certification procedures for SPD (surge protection device) samples through 200kA SCCR (short circuit current rating) test in accordance with UL 1449 5th Edition. 2025.07.30
UL 1449 5th Edition and IEC 61643 both cover the safety and performance of surge protection devices (SPDs). 2025.07.29
Lightning protection systems are mainly responsible for the design of building electrical equipment in Korea 2025.07.22
