https://www.123articleonline.com/rss/author/419404/kathrin-kastnerArticles written by Kathrin Kastner from 123ArticleOnline.comen-usCopyright (c) 123ArticleOnline.com All rights reserved. https://www.123articleonline.com/articles/1447992/the-key-benefits-of-cctv-drainage-inspection This is done using a handheld locator that picks up the sonde's signal, minimising the amount of excavation needed if pipes need to be dug up for repairs. The video and photographic footage captured by the CCTV pipe camera provide a clear understanding of the plumbing problem.