You have a Combination Service Entry Device (CSED) on a pole supplying 125' of feeder. Is that feeder three or four wires? Even with the CSED you stil need a building disconecting means. Have you considered obtaining the appropriate 3R enclosure for your panels main breaker? You buy the enclosure and a main lug kit, mount the enclosure outside the home, move the main breaker into that enclosure, and install the main lug kit in place of the main breaker. You can then run the feeder cable as far as you want to inside the home. If your feeder has been run in USE cable the maximum length inside the building is six feet of jacket becuase it is not fire retardent treated.
Type USE cable shall be installed outside in accordance with the provisions of Article 340. Type USE shall be permitted to be terminated in enclosures at an indoor location where Type USE cable emerges from the ground. The length of the cable extending indoors to the first termination box shall not exceed 1.8 m (6 ft).
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Tom H
