What gauge would I need for a 12v led rear fog light ?

The use of Posi-taps are dependent on the gauge of wire that your device is using. However, most lights, LED or otherwise, commonly use a minimum of a 18 gauge wire. I would select a Posi-tap that would handle that gauge (18-16 gauge).

Will this work for a cloth covered lamp wire?

Most lamp wires are 14 to 16 gauge. You would nee a larger size Posi-Tap. I am not sure if it will work well with cloth insulation as the insulation might shred leaving a bare spot.

any idea what gauge I would need for a motorcycle 12v wire? Want to tap into a switched power source. Better to have a size too large I'm guessing.

It depends on what you're powering. A 1-2 amp circuit would probably require about 18-20 gauge wire. As the numerical gauge size increases, the thinner the wire is and the less amperage it can carry. You can probably get away with 14-16 gauge wire for almost anything except a large load with a direct connection to the battery

Does this connector have the one side that is split to go over a wire?

There are different types, where the wire goes in from the side and gets pierced by a pin for the electrical connection. This type I believe this has the slot on both ends. Works like a butt connector.

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Posi Products Posi-tap Connectors, 20-22 Gauge Wire, Bulk Pack of 20

Product ID: 308729473

Details

Colour
red
Connector type
Butt Splice
Contact material
Copper
Insulation material
Nylon
Terminal
Quick Connect

⚡Powers up to 4 leads simultaneously

🔧No cutting or crimping, preserves wire integrity

⏱️Installs in seconds, no tools needed

174359Fr

Duties & taxes included

In stock

Sold byAmazon CongoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Connect smarter, not harder—wire tapping made effortless!

REUSABLE VERSATILE - Perfect for 20-22 gauge wires, reusable for multiple projects
TOOL FREE INSTALLATION - Get connected in seconds—no crimpers or cutters required
WIRE INTEGRITY GUARANTEED - Maintain full wire strength with zero cuts or damage
EFFORTLESS MULTI LEAD POWER - Tap into up to 4 wires at once without hassle
VIBRATION PROOF INSULATED - Reliable, fully insulated connectors built to last

Posi Products Posi-Tap Connectors offer a quick, tool-free solution to tap into 20-22 gauge wires without cutting or crimping. These fully insulated, vibration-proof connectors power up to 4 leads simultaneously while maintaining wire integrity. Ideal for automotive and electrical projects, the bulk pack of 20 ensures you’re always ready to upgrade your wiring with a reliable, reusable connector rated for up to 120 volts and 105°C.

Specifications

ASIN	B004D0C2RC
Best Sellers Rank	#82,372 in Automotive ( See Top 100 in Automotive ) #148 in Automobile Lighting & Electrical Accessories
Brand Name	Posi-Products
Color	red
Connector Gender	Male
Connector Type	Butt Splice
Contact Material	Copper
Customer Reviews	4.8 4.8 out of 5 stars (637)
Insulation Material Type	Nylon
Manufacturer	Posi Products
Material Type	Brass
Maximum Voltage	120 Volts (AC)
Model	FBA_PT2022R-4
Number of Items	20
Part Number	FBA_PT2022R-4
Specification Met	Prop 65
Stud Size	20 gauge
Temperature Rating	105 degree celsius
Terminal	Quick Connect
UPC	782789439638
Unit Count	20 Count
Wire Diameter	0.08 Inches

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