First of all, insulating sleeve and double wall heat shrinkable sleeve should be used, which can not only make the waterproof effect of the cable gland better, but also greatly increase the service life.
Secondly, it is recommended to use a sleeve to strengthen the protection and insulation, so that the cable gland can bear more pressure.
Finally, the use of waterproof cable glands to ensure the safety of insulation, because self-adhesive tape and heat shrinkable waterproof tape are high-voltage products. Cable waterproof gland is a kind of connecting device, which is often used in power system. For example, power plant, communication network base station and some automatic factories need to use waterproof cable gland.