expert at aspectled Written by Marty Lemke | A Leader in LED Technology

Professional soldering of waterproof LED strip lights requires attention to detail, particularly when working with RGBW strips that have multiple connection points. This comprehensive guide will walk you through the proper techniques and best practices for creating reliable, waterproof connections.


What You'll Need

A successful installation begins with having the right equipment. The following items are essential:


Preparing Your Strip

Proper preparation is essential for creating a reliable connection. Begin with a precise cut through the solder tabs at the designated cutting line. The quality of this initial cut will affect the entire installation process.


Removing the Waterproof Coating

The waterproof coating requires careful removal to access the solder points. Make an initial cut just inside the radius, taking care not to damage the strip itself. The goal is to remove the minimum amount of coating necessary while maintaining the strip's integrity. After making the cuts, carefully remove the coating and clean any remaining protective material from the solder pads to ensure optimal connection.


The Soldering Process

Professional soldering technique is crucial for creating reliable connections. Begin by securing the strip with electrical tape to maintain stability during soldering. The fundamental principle is to heat the pad first, rather than applying solder directly from the iron. When properly heated, the solder will flow naturally onto the pad, creating a proper connection.

Making the Connections

Follow this specific sequence when connecting the wires:

  • Black wire to V positive (24V+)
  • Green wire to green lead
  • Blue wire to blue lead
  • Red wire to red lead
  • White wire to white connection

This systematic approach ensures proper configuration and reduces the possibility of errors. Testing each connection before proceeding to waterproofing is essential for quality assurance.


Waterproofing Your Work

The waterproofing process requires precise execution. The silicone end cap must be positioned on the wire before making any connections, as retroactive installation is not possible. Apply RTV silicone thoroughly within the cap, ensuring complete interior coverage. When properly installed, the silicone will create a uniform seal around the edges. Allow 24 hours of undisturbed curing time to ensure a professional-grade waterproof seal.


Best Practices

While soldering waterproof LED strips requires precision, the process becomes straightforward with proper technique and attention to detail. Key factors for success include:

  • Maintaining consistent iron temperature
  • Creating clean, precise cuts
  • Blue wire to blue lead
  • Following proper connection sequence
  • Allowing adequate curing time

If any connection appears questionable, it's advisable to remove it and start again, as the integrity of each connection affects the entire installation.

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