Step Down Butt Splices

Connect 2 Different Wire Gauges In One Step

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What's special about these step down butt splices?

  • Allows you to connect 2 different wire gauges in one connector
  • Color coded using the American Wire Gauge’s standard colors for easy installation and identification
  • Available insulated or uninsulated to suit your application
  • Click for More Features

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.

PART # QTY / PK AWG WEIGHT COLOR PRICE / PK
Uninsulated Step Down Butt Connector
NSPA-ML56-20-BP 50 18-20 to 22-24 0.18 lb -
Qty:  
NSPA-ML56-16-BP 50 14-16 to 18-20 0.20 lb -
Qty:  
NSPA-ML56-14-BP 50 10-12 to 14-16 0.23 lb -
Qty:  
NSPA-ML56-10-BP 50 8 to 10-12 0.25 lb -
Qty:  
Vinyl Insulated Step Down Butt Connector
NSPA-WTV-56-20 50 18-20 to 22-24 0.27 lb Red
Qty:  
NSPA-WTV-56-16 50 14-16 to 18-20 0.34 lb Blue
Qty:  
NSPA-WTV-56-14 50 10-12 to 14-16 0.42 lb Yellow
Qty:  
NSPA-WTV-56-10 50 8 to 10-12 0.53 lb Pink
Qty:  
Krimpa Seal Step Down Butt Connector
NSPA-KS56-20 50 18-20 to 22-24 0.27 lb Red
Qty:  
NSPA-KS56-16 50 14-16 to 18-20 0.34 lb Blue
Qty:  
NSPA-KS56-14 50 10-12 to 14-16 0.42 lb Yellow
Qty:  
NSPA-KS56-10 50 8 to 10-12 0.53 lb Pink
Qty:  
MultiLink Step Down Butt Connector
NSPA-ML56-20 50 18-20 to 22-24 0.27 lb Red
Qty:  
NSPA-ML56-16 50 14-16 to 18-20 0.34 lb Blue
Qty:  
NSPA-ML56-14 50 10-12 to 14-16 0.42 lb Yellow
Qty:  
NSPA-ML56-10 50 8 to 10-12 0.53 lb Pink
Qty:  

  • 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

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Questions & Answers

Question:

Do you have a butt connector that would join two 10awg wires on one end to one 10awg wire on the other? Yes, it's part number NSPA-HL57-10 and it can be found by clicking on this link below. http://www.cableorganizer.com/hydralink-multiple-wire-connectors/

Asked by Anonymous user on 11/26/2016 8:37 PM

Answer:
  • - Yes, it's part number NSPA-HL57-10 and it can be found by clicking on this link below. http://www.cableorganizer.com/hydralink-multiple-wire-connectors/

    Anonymous user on 02/16/2017 4:57 PM

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REVIEW SNAPSHOT®

by PowerReviews
National Standard Parts Associates IncUninsulated Step Down Butt Connector 18-20 Awg To 22-24 Awg- Pack Of 50
 
5.0

(based on 1 review)

Ratings Distribution

  • 5 Stars

     

    (1)

  • 4 Stars

     

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Reviewed by 1 customer

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5.0

Great connectors

By Ry

from NJ

About Me Gearhead

Verified Buyer

Pros

  • Durable
  • Easy To Install
  • Fits Multiple Cable Sizes
  • Great Fit
  • Great Protection

Cons

    Best Uses

      Comments about National Standard Parts Associates Inc 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

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