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The Arlington NM3025 is a 2 1/2" NPT Male to 3" Glu adapter. It is designed to create an expansion joint in the installation of an electrical service entrance. This fitting protects cable from freeze/thaw ground movement and meets 2020 NEC 300.7(B) and 300.5(J).
The Arlington NM3025 adapter provides a simple solution for creating an expansion joint in electrical service entrances.
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