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Friday, October 30, 2020
Question:
Thanks for this Code Forum. My question relates to surge protection. Is a Type 2 surge protective device okay to use on the line side of the service disconnect?
Paul Winfield
A
Answer:
Hello Paul,
Thanks for the question. The answer is no. The supporting text in the NEC is found in Article 100 under the definition of Surge Protective Devices (SPD) under Type 2. Additional Code requirements for Type 2 SPD use is provided in Section 242.14.