| 摘要 |
The invention herein is an improved structure for facilitating and easing the process of threading electrical lines or cables into and through the interior of a pipe member comprising a longitudinally extending insert member, such insert member having a rounded undersurface to fit conformingly into the interior of the pipe member, and further wherein such insert member is provided with a channel on the upper surface with such channel having a rounded bottom, and further where such insert member has a downwardly sloped cammed surface on the one end to receive the cable as it moves into the insert member before being drawn into the pipe member.
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