| 摘要 |
An electrical connection across a peripheral surface through a sealed enclosure (34A) in a radial plane between a tubing hanger (5) and a surrounding support member (3). The connection involves a coupling element (17) in the tubing hanger and a shuttle which can reciprocate from a position wholly within the support member, across the interface and into electrical connection with the coupling element, without producing any movement of a cable (9,10,11,15) leading into a sealed enclosure within the support.
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