Heat Shrink Butt Connectors | Mixed Color Box
Heat Shrink Butt Connectors | Mixed Color Box
Blog Article
A mixed color box of heat shrink butt connectors is a convenient solution for electrical wiring projects, offering insulation, strain relief, and color coding for easy identification. Here’s what you need to know:
What Are Heat Shrink Butt Connectors?
Purpose: Splice and insulate wires permanently.
Key Features:
Adhesive-lined tubing melts when heated, creating a waterproof seal.
Color-coded sleeves for organization (e.g., red = 18-22 AWG, blue = 14-16 AWG).
Strain relief for durable connections.
Mixed Color Box Contents (Typical)
A standard assortment includes connectors in multiple colors/sizes, such as:
| Color | Wire Gauge (AWG) | Quantity per Box |
|---|---|---|
| Red | 18-22 | 50-100 |
| Blue | 14-16 | 50-100 |
| Yellow | 10-12 | 25-50 |
| Clear/Black | Universal | 25-50 |
(Exact counts vary by brand—check product details.)
Top Brands & Where to Buy
3M Scotchlok (Premium, adhesive-lined)
Gardner Bender (Budget-friendly)
NTE Electronics (Industrial-grade)
Amazon Basics (Value packs)
Purchase Options:
Amazon (Search: "mixed color heat shrink butt connectors")
Home Depot / Lowe’s (In-store electrical aisle)
Auto parts stores (e.g., AutoZone, O’Reilly)
How to Use Heat Shrink Butt Connectors
Strip wires (~1/2 inch exposed).
Insert wires into the metal barrel.
Crimp with a wire crimper.
Apply heat (lighter/heat gun) until the sleeve shrinks and adhesive oozes slightly.
Why Choose Mixed Colors?
Quick ID for different circuits (e.g., automotive, marine).
Avoids mismatched sizes (each color = specific gauge range).
Pro Tips
⚠ Use a proper crimping tool (avoid pliers—weak connections cause fires).
⚠ Don’t overheat—2-3 seconds with a heat gun is enough.https://store.unigulfsupply.com/product/heat-shrink-butt-connectors-mixed-color-box/