Trying to replace a burnt gfic outlet 20 amps, will 12 awg wire solid copper work with wago connectors extend short wires or is it fire hazard risk?

I use 12 AWG "pigtail" wires on all my 20A and 15A outlets and switches. I connect the short wires to the hot and neutral and ground using the WAGO lever nuts. Makes them easy to remove and replace if needed compared to a twist nut. Plenty of videos out their showing the robustness of WAGO nuts for load carrying.

Can i use these on hard wire? Copper wire for a light switch? (Just discovered electrical tape holding hard work together in my walls...)

If by "hard wire" you mean standard 12 or 14 gauge household wire used to connect outlets and switches - the answer is yes. I have been using Wago connectors for the last seven years with excellent results.

can I use them to connect coper wih aluminum wires ?

WAGO's website specifically shows "Connectable conductor materials - Copper" so they do not have approval for use with aluminum. This was a very good question that I had not thought about since I don't use aluminum wiring. But it is good information that should be on their Amazon page. These WAGO connectors are really good in tight spaces and very easy to operate. But like all connectors they must be in boxes for safety and to meet code.

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WAGO 221 Lever-Nuts 36pc Compact Splicing Wire Connector Assortment. Includes 221-412, 221-413, 221-415

WAGO 221 Lever-Nuts 36pc Compact Splicing Wire Connector Assortment. Includes 221-412, 221-413, 221-415

Product ID: 292852481

Details

Brand
Peppy Products
Color
Yellow
Connector Type
Clamp
Material
Copper Plastic
Mounting Type
DIN Rail Mount
Number Of Contacts
36

⚡Supports 24-12 AWG wires

🔍Transparent housing for visual wire check

🛠️36-piece versatile connector assortment

₹ 5122

Duties & taxes included

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Description

🔌 Connect smarter, not harder — the future of wiring is here!

TRUSTED BY PROS - Top-rated with 4.8 stars from over 4,000 users—join the expert community
VISUAL ASSURANCE - Transparent casing lets you verify perfect wire insertion every time
COMPACT ORGANIZED - 36-piece set with 2, 3, and 5 conductor connectors for all your projects
UL CERTIFIED RELIABILITY - Built to meet UL standards and withstand up to 105°C temperature
EFFORTLESS MULTI WIRE COMPATIBILITY - Connect solid, stranded, and flexible copper wires seamlessly

The WAGO 221 Lever-Nuts 36pc Compact Splicing Wire Connector Assortment offers a professional-grade solution for quick, reliable wire connections. Compatible with 24-12 AWG solid, stranded, and flexible copper wires, it features a transparent housing for easy visual inspection and includes a versatile mix of 2, 3, and 5 conductor connectors. UL certified and rated for up to 105°C, this set is trusted by thousands of professionals for safe, efficient electrical installations.

Specifications

ASIN	B08W3QXN9B
Best Sellers Rank	#15,212 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #16 in Electrical Connectors
Brand Name	Peppy Products
Color	Yellow
Connector Type	Clamp
Customer Reviews	4.8 4.8 out of 5 stars (4,069)
Global Trade Identification Number	00860006370602
Manufacturer	Peppy Products
Material Type	Copper, Plastic
Model	965cda1b-3070-457b-80f5-8b997793e11e
Mounting Type	DIN Rail Mount
Number Of Contacts	36
Number Of Poles	24
Number of Positions	10
Specification Met	UL
Temperature Range	105 Degrees Celsius
Unit Count	36.0 Count
Upper Temperature Rating	105 Degrees Celsius

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