本试验的目的是确定同轴下降电缆和配电电缆上使用的护套材料的收缩量。本试验程序适用于采用聚乙烯（PE）护套材料的跌落或分配同轴电缆。

The purpose of this test is to determine the amount of shrinkage of the jacketing material used on coaxial drop and distribution cables. This test procedure is applicable for use on either drop or distribution coaxial cables employing polyethylene (PE) jacketing material.