With the 2020 revision of the NEC, Art. 242 replaced two individual Articles that appeared in earlier editions of the Code — Art. 280 [Surge Arrestors] and Art. 285 [Transient Voltage Surge ...

The Littelfuse SPD2 Series of Type 2 surge protection devices (SPDs) is DIN-rail mounted for electrical cabinets and comes in a wide range of operating voltages, including DC power for solar ...