which color do I use for 14 gauge speaker wire?

Red is what is used, but I never use wire nuts on speaker wires. I use 2 piece butt connectors. It keeps the wires straight and I can take it apart when it's time to replace the speakers.

what color do I use for 12 gauge speaker wire?

For #12 cu wire the yellow is recommended, but that's for alternating current. I personally don't use wire nuts for speaker wire. I use inline splices. They're easier to hide, especially if the wires are gonna go to the back of the vehicle. An online splice is almost a must if the wires are gonna go under the carpet or door jams. Just my personal opinion.

Are these waterproof?

They do make waterproof connectors but the ones I bought are not.

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180 PCS Wire Connectors, Insulating Insert Twist Electrical Wire Connectors with Spring, Portable Wire Caps for Quick Connection, Colorful Wire Caps Electrical

180 PCS Wire Connectors, Insulating Insert Twist Electrical Wire Connectors with Spring, Portable Wire Caps for Quick Connection, Colorful Wire Caps Electrical

Product ID: 228019418

Details

Color
Grey Blue Red
Connector Type
Twist
Contact Material
Copper
Insulation Material
Nylon
Terminal
Screw Terminal

⚡600V max voltage rating

🔧180 pcs versatile kit

🌡️221°F heat resistant nylon

Bs.199

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Description

⚡ Twist, Connect, and Power Up Your Projects with Confidence!

PREMIUM NYLON INSULATION - Thick, durable nylon shell resists aging and ensures top-tier electrical safety and leak prevention.
ALL IN ONE COLOR CODED KIT - 180 wire connectors in 5 vibrant colors for instant size ID and hassle-free organization.
COMPACT PORTABLE STORAGE - Transparent partitioned box keeps connectors sorted and ready for any on-the-go electrical project.
TRUSTED PERFORMANCE SUPPORT - Rated 4.7 stars by 5,000+ pros, backed by 30-day worry-free guarantee and 24/7 customer care.
RELIABLE SPRING LOADED CONNECTION - Metal spring insert guarantees a stable, secure twist connection that won’t loosen over time.

This 180-piece wire connector set features color-coded nylon caps with metal spring inserts, rated for up to 600 volts and 221°F. Designed for quick, secure electrical connections, it offers durable insulation, easy size identification, and portable storage—perfect for professional and DIY wiring tasks.

Specifications

ASIN	B08DHZHQ4M
Best Sellers Rank	#1,793 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Industrial Electrical Connectors
Brand Name	Romeda
Color	Grey, Blue, Orange, Yellow, Red
Connector Gender	Male
Connector Type	Twist
Contact Material	Copper
Customer Reviews	4.7 out of 5 stars 5,046 Reviews
Gauge	1.0
Insulation Material	Nylon
Insulation Material Type	Nylon
Manufacturer	romeda
Material	Nylon, Plastic
Material Type	Nylon, Plastic
Maximum Voltage	600 Volts
Model	[Predicted] Rxxxxxx
Number of Items	180
Part Number	Rxxxxxx
Temperature Rating	221 degree fahrenheit
Terminal	Screw Terminal
UPC	727380254365
Unit Count	180.0 Count

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Bs.199

Duties & taxes included

In stock

Sold byAmazon BoliviaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Bolivia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

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