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Step Down Butt Splices
Connect 2 Different Wire Gauges In One Step
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Step Down Butt Splices
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These step-down butt connectors are available in insulated or non-insulated versions to provide a splicing solution for any application. These unique connectors allow you to connect wires of 2 different gauges to each other smoothly and get a reliable connection. Each connection is color coded on its ends using standard AWG colors for easy identification and to avoid errors during installation. |
- Crimp barrels have crimp indicators for a sure crimp every time
- Equipped with a wire stop to avoid over insertion
- Butt is seamless so it provides superior crimp performance and strain relief
- Window in the butt provides visual confirmation of the butt being inserted
- Butt splice has a uniform copper wall, so positive crimping is uniform on both sides
| Heat Shrink Tubing | |
| Material | Multiple wall polyolefin tubing with meltable, integral inner wall |
| Applicable Specifications | MIL-I-23053/4, Class 1 |
| AMS 3534 | |
| UL File E-157227 | |
| Physical | |
| Temperature Rating | -55°C to 110°C |
| Tensile Strength | 2200 PSI |
| Longitudinal Change | +1, -10% |
| Recovery Temperature | 135°C |
| Electrical | |
| Dielectric Strength | 900 Volts/Mil |
| Voltage Rating | 600 Volts |
| Chemical | |
| Corrosion Resistance | Non-Corrosive |
| Fungus Resistance | Non-Nutrient |
| Water Absorption | <0.1% |
| Solder (if applicable) | |
| Melt Temperature | 149°C (300°F) |
| Applicable Specifications | J-STD-006 |
| Solder contains any or all of the following | Antimony, Cadmium, Copper, Indium, Silver, Iron, Aluminum, Nickel, Arsenic, Zinc, Bismuth, Gold, Tin, Lead |
| Flux | 1%-3% RMA |
| Applicable Specifications | J-STD-004 |
| Patent Numbers | Butt Connectors: US 6,838,621 B2, US 6,677,529 B1 |
| PART # view images below |
QTY / PK | AWG | WEIGHT | COLOR | PRICE / PK |
| Uninsulated Step Down Butt Connector | |||||
| NSPA-ML56-20-BP | 50 | 18-20 to 22-24 | 0.18 lbs | - | |
| NSPA-ML56-16-BP | 50 | 14-16 to 18-20 | 0.20 lbs | - | |
| NSPA-ML56-14-BP | 50 | 10-12 to 14-16 | 0.23 lbs | - | |
| NSPA-ML56-10-BP | 50 | 8 to 10-12 | 0.25 lbs | - | |
| Vinyl Insulated Step Down Butt Connector | |||||
| NSPA-WTV-56-20 | 50 | 18-20 to 22-24 | 0.27 lbs | Red | |
| NSPA-WTV-56-16 | 50 | 14-16 to 18-20 | 0.34 lbs | Blue | |
| NSPA-WTV-56-14 | 50 | 10-12 to 14-16 | 0.42 lbs | Yellow | |
| NSPA-WTV-56-10 | 50 | 8 to 10-12 | 0.53 lbs | Pink | |
| Krimpa Seal Step Down Butt Connector | |||||
| NSPA-KS56-20 | 50 | 18-20 to 22-24 | 0.27 lbs | Red | |
| NSPA-KS56-16 | 50 | 14-16 to 18-20 | 0.34 lbs | Blue | |
| NSPA-KS56-14 | 50 | 10-12 to 14-16 | 0.42 lbs | Yellow | |
| NSPA-KS56-10 | 50 | 8 to 10-12 | 0.53 lbs | Pink | |
| MultiLink Step Down Butt Connector | |||||
| NSPA-ML56-20 | 50 | 18-20 to 22-24 | 0.27 lbs | Red | |
| NSPA-ML56-16 | 50 | 14-16 to 18-20 | 0.34 lbs | Blue | |
| NSPA-ML56-14 | 50 | 10-12 to 14-16 | 0.42 lbs | Yellow | |
| NSPA-ML56-10 | 50 | 8 to 10-12 | 0.53 lbs | Pink | |
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HOW-TO CORNER -
REVIEW SNAPSHOT®
by PowerReviewsUninsulated Step Down Butt Connector 18-20 AWG to 22-24 AWG- Pack of 50
(based on 1 review)
Ratings Distribution
Reviewed by 1 customer
Displaying review 1
Pros
- Durable
- Easy To Install
- Fits Multiple Cable Sizes
- Great Fit
- Great Protection
Cons
Best Uses
Comments about Uninsulated Step Down Butt Connector 18-20 AWG to 22-24 AWG- Pack of 50:
We needed a step down connector but could not use an insulated one for the application. These connectors were just what we needed. They worked great and are now part of the design.
- Primary use:
- Business
Displaying review 1
 HydraLink Sealed Multiple Wire Closed End and In-Line Butt Connectors From $20.01 Unlike traditional methods of joining multiple wires, these connections include an active adhesive that melts between the wires, when heat is applied, to provide a watertight seal. These multiple wire connectors are ideal for joining 1 wire to 2 wires, or joining up to 4 wires at a time. |
 Elektralink™ Sealed Solder Butt Splices From $20.27 ElektraLink Sealed Solder Butt Splices are an excellent choice for professional electricians that require high quality electrical connections. These butt splices provide that much needed connection. Each splice has just the right amount of solder to create a secure connection and an adhesive lined heat shrink tubing to seal it and provide protection against the elements. |
 Perma-Seal™ Step-Down Butt Splice ConnectorsFrom $78.41 These heat sealed step-down butt connectors provide additional protection against the elements. When connecting two different sized wires or joining two wires to one, this is the perfect solution. The smaller end of the connector is color coded for easier identification and quick installation. |
 Multilink™ Crimp and Solder Sealed Butt Splices & Ring Terminal KitsFrom $35.79 MultiLink Crimp and Solder Sealed Butt Splices are crimped for maximum reliability, then soldered for strength and conductivity. Each butt splice has an adhesive lined heat shrink tubing to provide a durable and weatherproof seal. This multi-step process has a high tensile strength and provides you with the most secure connection possible. |
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