| 摘要 |
An improved insulator member (110) comprises (a) a first porcelain head (114) having a first metal cap (112) secured thereto; (b) a second porcelain head (118) having a second metal cap (120) secured thereto; (c) a metal pin (116) situated with a first end secured within a recess of the first porcelain head (114) and with a second end secured within a recess of the second porcelain head (118); (d) a sealing material (124) enclosing the metal pin body; and (e) a shed (122) attached to at least one of the first porcelain head (114) and the second porcelain head (118), and enclosing the sealing material (124). The shed (122) can comprise a ceramic shed (122), but preferably comprises a polymeric shed (122), especially a shed (122) of a non-tracking polymer. |
