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The precautions for using waterproof joints mainly include the following four points:

1. Do not install waterproof joints when it is raining, as it can easily cause water to enter the cable and cause dangerous accidents. Moreover, water entering the cable can affect its service life.

2. There are many models of waterproof joints, so it is important to pay attention when purchasing. First, consider which model is needed to avoid being unable to use it after purchase.

3. The price of waterproof joints is not cheap, so when choosing, do not be greedy for small gains. Choose high-quality waterproof joints, which will also be safer to use.

4. When installing, insulating sleeves should be used to not only provide insulation, but also protect waterproof joints from wear and tear, thereby improving the waterproofing and durability of waterproof joints.