in response to the expansion without the debris seal impinging against either connector application_number US 83892410 A description shown in a side partial sectional view in fig1 is a wellbore 2 capped with a wellhead 3 and production tubing 4 depending from the wellhead 3 into the wellbore 2 an electrical submersible pumping system esp 5 is shown attached on a lower end of the production tubing 4 in the example embodiment of fig1 the esp 5 includes a pump section 6 for pumping fluids from the wellbore 2 into the production tubing 4 and to the wellhead 3 fluid not shown in the wellbore 2 flows into the pump section 6 through an inlet 7 shown formed on an outer surface of the pump section 6 on a lower end of the pump section 6 is a seal section 8 for equalizing pressure within the esp 5 to ambient conditions a motor section 9 is shown on a lower end of the seal section 8 that includes a motor not shown for driving impellers not shown in the pump section 6 an elevational view of an embodiment of the pothead connector 10 of fig1 is provided in fig2 the pothead connector 10 includes connectors 18 that project outward from within an annular base 17 shown set on a connector flange 11 a circular debris seal 15 is shown set within the base 17 and disposed in a plane substantially perpendicular to the connectors 18 bores 16 are provided in the debris seal 15 for insertion of each connector 18 that closely encircle each connector 18 the debris seal 15 insulates the connectors 18 from one another and from ground the seal 15 should be able to maintain an.