Will these work with 12gauge wire. I have the older version and 12 gauge wire will not fit in slot

It is a tight fit but as long as the sharp probe penetrates the 12 gauge wire, it should work. It worked on my 12 gauge.

Are these waterproof?

they are not water proof. I use them in 12v outdoor lighting connections and they are under mulch.

Will this work with solid awg 20 light cord to awg 16?

I think that transitioning from any solid core wiring would be problematic. I believe this connector is designed for use with stranded core wire, where the individual strands are “mushed” together to form an electrical connection. Might be worthwhile to buy a small pack and see whether you can make it work.

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SUNVIE Fastlock2 Low Voltage Wire Connector Landscape Lighting Connectors 14-18 Gauge Waterproof Low Voltage Connectors Outdoor Landscape Wire Connector for Garden Yard Path Lights, 24 Pack

SUNVIE Fastlock2 Low Voltage Wire Connector Landscape Lighting Connectors 14-18 Gauge Waterproof Low Voltage Connectors Outdoor Landscape Wire Connector for Garden Yard Path Lights, 24 Pack

Product ID: 473138615

Details

Brand
SUNVIE
Color
Black
Light fixture form
Path
Material
Brass Plastic
Style
Low voltage

⚡Fits 14-18 AWG low voltage wire

💧Waterproof & corrosion-resistant

🔌One connector = 2 connections

50340CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌟 Light up your nights with connectors that work as hard as you do!

LIFETIME PEACE OF MIND - Backed by a 5-year replacement warranty and lifetime support, because your outdoor ambiance deserves reliability.
BUILT TO BRAVE THE ELEMENTS - Crafted from ultra-strong nylon-fiberglass blend and nickel-plated brass for unbeatable corrosion resistance outdoors.
DOUBLE THE CONNECTION POWER - Each Fastlock2 connector replaces two standard connectors, cutting your installation time in half.
TOOL FREE HASSLE FREE SETUP - No crimping, cutting, or splicing—just twist and lock your way to flawless lighting in under 2 minutes.
UNIVERSAL LOW VOLTAGE COMPATIBILITY - Seamlessly connects 14-18 gauge wires, perfect for all your landscape lighting needs from pathways to patios.

The SUNVIE Fastlock2 Low Voltage Wire Connector 24-pack offers a revolutionary, waterproof solution for outdoor landscape lighting. Designed for 14-18 AWG wires, these connectors combine durability with effortless installation—no tools required. Engineered with corrosion-resistant materials and a patented design, they ensure secure, long-lasting connections for garden, pathway, and yard lights. With a lifetime warranty and quick setup, they’re the smart choice for professionals and enthusiasts aiming to elevate their outdoor lighting game.

Specifications

ASIN	B0B9M2N9GN
Best Sellers Rank	#27,243 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #59 in Outdoor Patio Lighting Accessories
Brand Name	SUNVIE
Color	Black
Connector Type	Screw
Contact Material	Nickel, Brass
Customer Reviews	4.2 out of 5 stars 658 Reviews
Insulation Material	Plastic
Insulation Material Type	Plastic
Item Dimensions L x W x H	1.07"L x 0.49"W x 1.58"H
Item Weight	13.44 ounces
Manufacturer	SUNVIE
Material	Brass, Plastic
Material Type	Brass, Plastic
Model	LVCO0224
Number of Items	24
Terminal	Screw Terminal
Unit Count	24.0 Count
Warranty Description	Lifetime

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