EXM offers a wide variety of commercial enclosures
NEMA1 | Serie Commercial Pull Box Extension Ring
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1100 DER

The 1100 DER extension ring is installed over 1100 DF pull boxes to extend the depth of the enclosure. Stand-alone, the 1100 DER extension rings can also be used for applications which require a pull box with an open bottom. The body is finished with polyester powder paint. Internal mounting holes are provided. (The cover is not included)