In order to improve the shock resistance of the cover, the elastic rubber gasket must be firmly bonded before installing the cover. This is to save enough space for the cover to reduce unnecessary damage. If this is not a simple step, it will have a serious impact on the cover, which will reduce the service life of the cover and even threaten the normal use of the cable. In addition, how to determine the cable trench cover specifications, you must also do it in advance. And after the cover is laid, relevant protective measures should be taken to ensure the safety of the cable line.