Main Page | See live article | Alphabetical index Aerial insert: In a direct-buried or underground cable run, a cable rise to a point above ground, followed by an overhead run, e.g. , on poles, followed by a drop back into the ground. Note: An aerial insert is used in places where it is not possible or practical to remain underground, such as might be encountered in crossing a deep ditch, canal, river, or subway line. Source: from Federal Standard 1037C This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.