Code of Federal Regulations · Section

§ 113.20-3 — -3 Connection Boxes

46 C.F.R. § 113.20-3

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Each connection box and each switch enclosure in an automatic sprinkler system must be constructed in accordance with Type 4 or 4X of NEMA 250 or IP 56 of IEC 60529:2013 (both incorporated by reference; see 46 CFR 110.10-1) requirements.

46 C.F.R. § 113.20-1

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