March 30, 2023 4 min read

Today, we use electrical connectors for just about everything. Just about everything we do has an electrical component to it, and connectors are important for ensuring that these components are placed properly within a system.

However, with waterproofing technology also being very prevalent, it has now been important for people to ensure that their connections are waterproofed and protected from the elements. Waterproofing electrical connections provides a great way to ensure that your system is resilient and able to operate regardless of the situation. This is especially true in environments and situations where exposure to water could pose a significant threat to the working connection you’re trying to build.

Generally, waterproof solder wire connectors stand out from other types of connectors in several critical ways. These include:

They’re built from PVC plastic, which is a generally more affordable material than most of its alternatives. And in many instances, it is easier to produce as well. So, for both producers and consumers, these connectors provide a cost benefit.

Waterproof connectors are also durable and rugged. They don’t get damaged so easily, unlike metal connectors which are made from different forms of metal coatings that can easily be damaged or chipped.

With waterproof connections, you get different Ingress Protection (IP) ratings. Some critical designations of these ratings can include submergibility, resistance to dust, and even protection from high levels of water pressure.

Finally, you can rest assured of an airtight connection.

Besides all of these, there are several standout features that you get from waterproof connections that their alternatives might not necessarily be able to provide. For instance, they come in different sizes, all depending on the number of cables that they can hold. So, you also get optimal flexibility on that end.


Benefits of Waterproof Connectors

So, exactly how does waterproofing your electrical connections help you? We already pointed out several of the benefits you get from a waterproof connector and how these connectors tend to differ from alternative types of connectors. However, it is also worth looking deeper into some of the primary benefits that these connectors hold.

The first is the higher IP rating. With waterproof connectors holding higher ratings than most other connector types, you get to enjoy several benefits. For instance, most connectors tend to fall into the IP60-69 range. Depending on the specific rating, this means that they can fully protect your connection from high-pressure water jets, dust, immersion between 15 cm and 1m of water, and even long-term water submersion.

For instances such as use in marine applications and more, this is a very underrated benefit.


How to Use Waterproof Solder Wire Connectors

Waterproof solder wire connectors are a type of electrical connector that is designed to protect wires from water and other elements. They are commonly used in outdoor and marine applications where wires may be exposed to moisture or salt water. Here's a step-by-step guide on how to use waterproof solder wire connectors:

  1. Strip the wire:First, you'll need to strip the insulation off the end of the wire to expose the bare copper. Use a wire stripper tool to strip about 1/4 inch of insulation from the end of the wire.
  2. Insert the wire: Next, insert the stripped end of the wire into the waterproof solder wire connector. Make sure the wire is inserted all the way into the connector and that it is centered in the opening. The connector should have two or three small metal tubes that the wire should be inserted into.
  3. Heat the connector:Use a heat source, such as a heat gun or lighter, to heat the connector. As the connector heats up, you will see the solder inside the connector start to melt and flow around the wire.
  4. Remove the heat source:Once the solder has melted and flowed around the wire, remove the heat source. Allow the connector to cool and the solder to solidify.
  5. Inspect the connection: Once the connector has cooled, inspect the connection to make sure it is secure. Give the wire a tug to make sure it doesn't come out of the connector. If it does, you'll need to reheat the connector and add more solder.
  6. Apply sealant: Once you're satisfied with the connection, apply a sealant to the opening of the connector to further protect it from moisture and other elements. Silicone sealant is a common choice for waterproofing wire connectors.


And that's it! With these simple steps, you should be able to use waterproof solder wire connectors to protect your wires from the elements.



What is the best sealant for electrical connections?

Experts recommend using silicone sealant for your electrical connections.

How do you waterproof wire nuts?

To waterproof a wire nut, you need to start by choosing the right waterproofing material. You can use silicone sealant, electrical tape, or heat-shrink tubing. Apply the material to the nut and connection, then test it to ensure that the connection is strong and secure. From there, you’re good to go.

Should you put electrical tape around wire nuts?

While you can do this, it is also worth noting that it isn't overly necessary in some wire nuts.

How do you use weatherproof wire connectors?

Waterproof wire connectors can be used in any form of electrical system that will be required to operate close to a water body. However, they are also beneficial for their dust protection and more. 



View All
  • SolderStick Waterproof Solder Wire Connector Kit - SolderStick
    Secured and Waterproof Wiring Connections in Literally Seconds! SolderStick eliminates the hassle and allows you to focus on rewiring done the right way.
  • 300pcs SolderStick Ring/Eyelets Connector Set - solderstick
    Thick copper barrel ensures strong secure crimping every time, providing minimal voltage drop, high current flow, and less heat. These will prevent short circuits and problematic wiring that inferior connectors are known for. Insulation tubing has unique dual-walled design. High quality 3:1 shrinkage tubing has a heat-activated sealant lining to provide a 360-degree secure seal. It's flame-retardant, waterproof, and can be used underground Package includes: Total 300 PCS Heat Shrink Ring Connectors. Wire range: 22-18 ( red ) / 16-14 ( blue ) / 12-10 ( yellow ) A.W.G.  Copper barrel is an excellent conductor of electricity, corrosion resistant and has a very high melting point. These salient features will generate minimal heat while maintaining a high current flow with minimal voltage drop. COMPLIANT WITH ALL ELECTRICAL STANDARDS – SolderStick heat shrink connectors are compliant with ROHS, ISO 9001:2008, SGS and CE standards. Total: 300pcs100pcs Red(M5#10: 25pcs, M6 1/4”: 25pcs, M8 5/16”: 25pcs, M10 3/8”: 25pcs)100pcs Blue((M5#10: 25pcs M6 1/4”: 25pcs, M8 5/16”: 25pcs,M10 3/8”: 25pcs)100pcs Yellow ((M5#10: 25pcs, M6 1/4”: 25pcs, M8 5/16”: 25pcs, M10 3/8”: 25pcs) Specifications 100 RedWire range: 0.5~1.5mm², A.W.G.:22~18, Maximum current = 19A100 BlueWire range: 1.5~2.5mm², A.W.G.:16~14, Maximum current = 27A100 YellowWire range: 4~6mm², A.W.G.:12~10, Maximum current = 48A  
  • 400pcs Spade Connectors Kit - solderstick
    Thick brass in the wire connectors ensures strong secure crimping every time, providing small voltage drop, high current flow, and less heat. These will prevent short circuits and problematic wiring that inferior knockoff connectors are known for. How To Use        
  • T-Tap Wire Connectors - solderstick
    Tap into any wire with ease using our T-Type Quickconnection terminals! T-Tap Connectors are used to tap into an existing wire. Closing the quick slide connector makes a connection to the wire that can be accessed using a push-on terminal. T-Tap Wire Terminals allow you to tap an existing wire with another wire with ONE crimp and no additional connections. No wire stripping is necessary. Simply clip part over the primary wire and close with a pair of pliers No special tools are required  Taps are insulated, color coded by wire size All taps meet or exceed UL and SA standards   HOW TO USE: Simply insert both wires into the splice, squeeze down on the metal insert with pliers, and close the cap. SPECIFICATIONS: Quantity: 120 PCS Material: Nylon, Copper, Tin Maximum Operating Temperature: 221 °F Maximum Recommended Voltage Rating: 600 V Box Size: 20cm x 15cm x 5cm Package Weight: 0.35 kg PACKAGE INCLUDES: 20 x Red Connectors 20 x Blue Connectors 20 x Yellow Connectors 20 x Red T-Tap Wire Terminals 20 x Blue T-Tap Wire Terminals 20 x Yellow T-Tap Wire Terminals  
  • 164pcs Color-Coded Heat Shrink Tubing - solderstick
    ✔️ EASY AND FAST PROCESS All-in-one step solder and seal process. Shrink quickly, durable and evenly with our 2:1 shrink ratio polyolefin tubing to create a tight bond with connecting wires. ✔️ STAY ORGANIZED Our connectors come within a storage box, easy to store and carry. You can throw the heat shrink tubing kit in your toolbox and not have to worry about size getting mixed together. ✔️ ENVIRONMENTAL FRIENDLY AND SAFE Made of polyolefin, soft and flexible, acid and alkali resistance, anti-aging. This ensures that wires are tightly connected and prevents wires slipping out of the terminal. ✔️ WIDE APPLICATIONS Provide a barrier between cables and corrosive chemicals, insulate cables and wires against extreme heat in aircraft, boats, and military-grade vehicles. Suitable for electrical insulation, strain relief, cable bonding, color-coding, and identification. Specification: 60pcs 1.0 x 40mm Heat Shrink Tubing Set 30pcs 2.0 x 40mm Heat Shrink Tubing Set 20pcs 3.0 x 40mm Heat Shrink Tubing Set 16pcs 4.0 x 40mm Heat Shrink Tubing Set 12pcs 6.0 x 40mm Heat Shrink Tubing Set 10pcs 8.0 x 80mm Heat Shrink Tubing Set 8pcs 10.0 x 80mm Heat Shrink Tubing Set 8pcs 14.0 x 80mm Heat Shrink Tubing Set  
  • SolderStick Butt Wire Connector - SolderStick
    Tinned Copper Core: butt connectors kit use a heavy-duty copper core, strong crimp, higher conductivity. Waterproof Durable: Insert the wires to be connected, crimp both sides with crimping pliers, and then heat with a heat gun, wire connectors kit is very strong. 3:1 Shrink Ratio: Marine grade waterproof wire connectors provide high tensile strength and enough hot melt adhesive inside the tubing to ensure waterproof performance, your wires will never slip out of the wire connectors. Wide Application: Wire Connectors are durable, stable, waterproof, and corrosion resistant and are used in the automotive, marine, electrical, and electronic industries. Package Includes: 180 pieces heat shrink butt connectors kit (30 pieces yellow butt connectors, 60 pieces blue wire connectors, 90 pieces red butt connectors)
  • SolderStick Bullet Wire Connector Kit - SolderStick
    Key Features: Quick Connect-Disconnect: Ideal for applications requiring frequent wire connections. High Conductivity: Ensures a reliable electrical connection every time. Multipurpose Use: Great for automotive, household, and industrial wiring needs. Durable Materials: Crafted from corrosion-resistant metals for longevity. Safety Standards: Complies with all relevant industry safety benchmarks. Assorted Sizes: Choose from a variety of sizes to match your specific wire gauges, the box comes with 250 pieces divided in 3 sizes. Warranty: 30 day warranty for peace of mind.