Can it be use in vehicles ?

Yes, I have used them to tap into my turn signals for the lights in my aftermarket mirrors. I have also used them for audio signal from the factory head unit. Both with great results.

Can these be used with 120v AC house current, or low voltage only?

Manufacturer literature says rated for up to 600VAC. I’m using them for 120VAC without issue in an appliance. It needs to be stranded wire, should never be covered in a wall, and frankly for home wiring there are easier ways to splice.

The wire that i'm tapping into (that's being poked) is 12 gauge. the wire that i'm stripping to attach to it is 22 gauge. what size/color do i need?

I'd go with the bigger size. Because the smaller gauge can be clamped down. It should work for you. Mine did adding 3rd brake light to factory wiring allows you to tap in very well.

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Posi-Tap taps 20-22 ga. Pack of 6. Posi Taps The Best Line Tap Youll Ever Use! Posi Taps (Choose Your Size and Amount) (6, 20-22)

Product ID: 537141588

⚡Power up to 4 leads simultaneously

🔒Fully insulated & vibration proof

⏱️Installs in seconds, no tools needed

70.21 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Connect smarter, faster, and stronger—Posi-Tap leads the way!

DURABLE RELIABLE - Vibration-proof and fully insulated for long-lasting, safe connections.
ECO FRIENDLY PACKAGING - Delivered in reusable sealed bags—smart for your project and the planet.
EFFORTLESS INSTALLATION - Tap wires in seconds by hand—no crimping or tools required.
MAINTAIN WIRE INTEGRITY - Connect without cutting, preserving total wire strength and performance.
VERSATILE POWER DISTRIBUTION - Energize up to 4 leads at once for maximum efficiency.

Posi-Tap taps (20-22 gauge) are premium line taps designed for quick, tool-free installation that preserves wire integrity. Each pack of 6 taps supports powering up to 4 leads simultaneously, features vibration-proof insulation, and comes in reusable packaging, making it the go-to choice for professional-grade electrical connections.

Specifications

ASIN	B0B3815XSG
Best Sellers Rank	#3,688 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #269 in Cutting Tools
Customer Reviews	4.8 4.8 out of 5 stars (903)
Date First Available	June 4, 2022
Item Package Quantity	1
Item Weight	0.32 ounces
Manufacturer	Posi-Products
Part Number	PTA2022R_6PACK
Product Dimensions	5 x 3 x 0.3 inches
Size	20-22

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70.21 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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