How To Cut And Connect Waterproof LED Strip Lights?

During the installation of waterproof led lights, the led strip length does not always meet our installation intention, knowing how to cut and connect waterproof led strip lights can help us to better apply the indoor or outdoor LED lighting system. How to handle waterproof led light strips is what we must know when we use them outdoors or in indoor humid environments.

At first, the led strip lights we sell have three waterproof grades. The surface of the IP65 waterproof led strip lights is covered with PU glue or silicone glue to waterproof the led lights and other electronic components, the IP67 waterproof led light strip is wrapped in a hollow silicone sleeve, and the IP68 waterproof led light strip is wrapped in a silicone sleeve filled with silicone glue.

Picture to know what are waterproof led strip lights

How To Cut Waterproof LED Lights Strips?

Find the cutting line of the waterproof led strip lights and cut, this principle applies to all waterproof rating led strip lights, then cover an end cap with silicone glue to achieve a sealed environment. If you want to move on to other operations after cutting the waterproof led strip lights, see below.

Cut IP65 waterproof led light strip
Cut IP67 waterproof led light strip
Cut IP68 waterproof led light strip

How To Connect Waterproof LED Lights Strips?

LED solderless connectors can achieve fast, reliable, and secure connections, are easy to use, suitable for users who don‘t know how to solder.

2.1 How to connect IP65 waterproof led strip lights?

For waterproof led light strips used in indoor dry environments, you can directly use solderless connectors to connect two strips together.

1. Open the connector cap and insert the two waterproof led strip lights into the two sides of the connector respectively, no need to remove the protective silicone. The adhesive on the part of the strip inserted into the connector needs to be torn off, and pay attention to aligning the positive and negative poles, do not connect them in reverse.

2. Use pliers to close the cap, and make sure the waterproof led light strips are locked by the connector base to establish an electrical connection.

Connect two waterproof led strips together by using a connector
Connect waterproof led light strip and wires

For uneven surfaces, two solderless connectors and a piece of bare wire can be used to make the connection.

  1. Insert the waterproof led light strip and the wires to the connector, no need to strip the wire insulation.
  2. Make sure the positive and negative poles of the waterproof led strip and the wires are corresponding.
  3. Close the transparent cap with pliers or other tools until it is fully seated on both sides of the base.
  4. Do the same on another waterproof led connector.

2.2 How to connect IP67 waterproof led strip lights?

After cutting the waterproof led lights strip to the desired length, insert the strip into the connector, close the cap, and inject silicone glue through the injection hole, make sure the glue is fully injected in the connector space, so as to protect the led strip light from water and moisture.

Connect IP67 waterproof led light strip and wires
Connect IP67 waterproof led light strips together

2.3 How to connect IP68 waterproof led strip lights?

When a waterproof led light strip extends to a certain position and needs to be installed in multiple directions at the same time, how to solve this problem? Can multiple waterproof led strip lights be connected together? The led strip shunt connector can achieve this function. And you can use a waterproof extension cable to extend the distance between two waterproof led strips. For more IP68 waterproof accessories please click here.

How To Solder Waterproof LED Lights Strips?

Welding wires to waterproof led light strips or soldering two waterproof led strips together requires some theoretical and operational knowledge.

3.1 How to solder IP65 waterproof led strip lights?

  1. Use a knife to peel off the silicone waterproof layer near the solder joints of the cutting line, and add tin to the solder joints and wires respectively.
  2. Heat the soldering iron to combine the tin of the solder joints and the wires, wait for the tin to cool, and gently pull the wire to see if the connection is firm.
  3. Then glue the connection joints and put on heat shrink tubing to make sure it can be placed in damp or splashing environments.

3.2 How to solder IP67 waterproof led strip lights?

After cutting the IP67 waterproof led lights strip, because the led strip is only wrapped in a silicone sleeve, it can be pulled out, just like welding IP20 led strip lights which are non-waterproof. Whether it is welding two waterproof led lights strips or welding waterproof led strips and wires, it is necessary to put heat shrink tubes on the connection parts and seal them with glue.

3.3 How to solder IP68 waterproof led strip lights?

The welding method of the IP68 waterproof led light strip is the same as that of the IP65 strip. You need to peel off the waterproof layer at the connection parts first. For the specific steps, please refer to the above content on how to solder IP65 led strip lights.

Video about how to weld led strip lights