| 摘要 |
A cap or plate configured to be coupled with an electronic or magnetic marker and the end of a pipe. The cap may comprise a top portion with a first diameter, a second portion with a second diameter, and a top surface configured for coupling with an electronic or magnetic marker. The first diameter may be approximately equal to an outer diameter of a first pipe, and the second diameter may be approximately equal to an outer diameter of a second pipe. The plate may have a diameter that is greater than the inner diameter of a pipe. The plate may be secured to the pipe such as with a conventional cap, or a threaded plug. When the cap or plate is coupled with a pipe, the electronic or magnetic marker may be used to locate and/or identify a pipe.
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