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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36pc WAGO 221 Lever Nuts Wire Connector Assortment

Product ID: 292852481

Details

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

⚡24-12 AWG compatibility

🔍Transparent housing for visual inspection

🛠️36-piece versatile assortment

37209CFA

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Sold byAmazon Cote D' IvoireDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Upgrade your wiring game — connect smarter, faster, and cleaner!

VISUAL ASSURANCE - Transparent casing lets you instantly verify proper wire insertion and strip length.
DURABLE RELIABLE - UL-certified, rated for up to 105°C, ensuring long-lasting, safe electrical connections.
SPACE SAVING DESIGN - Compact, lie-flat connectors free up valuable electrical box space for smart switches and dimmers.
VERSATILE ASSORTMENT - Includes 2, 3, and 5 conductor connectors to handle any wiring challenge with ease.
EFFORTLESS MULTI WIRE CONNECTIONS - Connect solid, stranded, and flexible copper wires in seconds without twisting.

The WAGO 221 Lever-Nuts 36pc Compact Splicing Wire Connector Assortment offers a professional-grade solution for quick, secure, and space-efficient wire connections. Compatible with 24-12 AWG copper wires, these UL-certified connectors feature a transparent housing for easy visual inspection and come in a versatile mix of 2, 3, and 5 conductor sizes. Ideal for modern electrical projects, they eliminate the hassle of twisting wires, save space in crowded electrical boxes, and deliver reliable, long-lasting performance.

Specifications

ASIN	B08W3QXN9B
Best Sellers Rank	#14,472 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #16 in Electrical Connectors
Brand	Peppy Products
Brand Name	Peppy Products
Color	Yellow
Connector Type	Clamp
Customer Reviews	4.8 out of 5 stars 4,098 Reviews
Global Trade Identification Number	00860006370602
Manufacturer	Peppy Products
Material	Copper, Plastic
Material Type	Copper, Plastic
Model	P221-36
Mounting Type	DIN Rail Mount
Number Of Contacts	36
Number Of Poles	24
Number of Items	1
Number of Packs	3
Number of Positions	10
Specification Met	UL
Temperature Range	105 °C
UPC	860006370602
Unit Count	36 Count
Upper Temperature Rating	105 °C

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