How to tell 100% sure if corroded inline fuse (toyota aftermarket foglamps) is 14- or 16-awg? wirestripper seems imprecise way to measure!

FLowWOOLF NATURALS, It is hard to tell what gauge the wires are, yep, wire strippers are not a good means for sure. I usually have a small piece of different gauge wire handy like these sizes and I just compare my known sizes to the size am working with. 14 gauge is fairly big but good to use if you have incandescent fog lights, these usually pull a lot of amps, if LED's don't worry using 16 gauge., just make sure you have the positive/negative leads correct. Anyway you can't go wrong using a little heavier gauge wire on most everything you're wiring. I've had very good luck using these fuse holders and the caps keep the dampness out. I have them on my lawn mowers, ATV, car, van and on my DC emergency lights in the house and garage 0¿0 AND, you can solder the leads and insulate them with heat shrink !! Better to have a blown fuse than burnt equipment or house 0¿0 So, just cut out the old fuse and wire in one of these new ones.

Does this ship with the fuse as pictured?

I don't recall having to purchase a fuse for it so it must have come with it.

will this holder support a 20 amp fuse ?

Ten gauge wire will support up to 30 amps, so a 20 amp fuse should be fine. In theory, the fuse should be the weakest link in the chain.

What is the size of the wire with the fuse? I need at least a 12 awg wire for it to fit in my circuit.

Wire is pretty thick. I don't have it in front of me but I am an apprentice electrician and it appeared to be, from lasting impression, 10 gauge. Maybe only 12 gauge. But, I remember being happy that it was larger than 14gauge. I didn't test the water tightness, and it comes as one continuous 12"-18" loop so you'll have to cut it with this I mind

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10 Pack NI-FH01 Inline Holder 14AWG Wiring Harness ATC/ATO 30AMP Blade Automotive Fuse Holder-10, 2 Years Warranty

10 Pack NI-FH01 Inline Holder 14AWG Wiring Harness ATC/ATO 30AMP Blade Automotive Fuse Holder-10, 2 Years Warranty

Product ID: 413111408

Details

AC Adapter Current
30 Amps
Brand
Nilight
Item dimensions L x W x H
12.7 x 2.5 x
Material
Copper
Voltage
12 Volts

⚡Supports up to 30A current

💧Waterproof fuse cover

🔌14 AWG heavy-duty wiring

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$63.54

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Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power Up Your Ride with Ultimate Fuse Protection!

ROBUST 14 AWG WIRING - Heavy-duty copper wire ensures superior durability and optimal electrical flow.
WATER RESISTANT DESIGN - Tight-fitting waterproof lid guards against moisture, dirt, and road splashes.
TRUSTED QUALITY WARRANTY - UL certified with a 2-year warranty for peace of mind and long-lasting performance.
EASY INSTALLATION ACROSS VEHICLES - Perfect for cars, trucks, boats, RVs, and more with simple through-hole mounting.
UNIVERSAL ATC ATO FUSE COMPATIBILITY - Fits a wide range of blade fuses from 0.5A to 30A for versatile protection.

The Nilight NI-FH01 Inline Fuse Holder 10-Pack features heavy-duty 14 AWG copper wiring and a waterproof cover, supporting ATC/ATO blade fuses up to 30 amps. Designed for automotive and marine use, it offers reliable circuit protection with easy installation and a 2-year warranty, making it a must-have upgrade for any vehicle’s electrical system.

Specifications

AC Adapter Current	30 Amps
ASIN	B07426WCLM
Best Sellers Rank	#417,821 in Electronics ( See Top 100 in Electronics ) #111 in Car & Vehicle Fuse Holders
Brand	Nilight
Brand Name	Nilight
Current Rating	30 Amps
Customer Reviews	4.7 out of 5 stars 9,148 Reviews
EU Spare Part Availability Duration	2 Years
Global Trade Identification Number	00600537013711
Included Components	10PCS In-line Fuse Holders
Item Dimensions	12.7 x 2.5 x 7.6 Centimeters
Item Type Name	Nilight NI-FH01 Inline Fuse Holder 14AWG Wiring Harness ATC / ATO 30AMP Blade Fuse Automotive Fuse Holder - 10 Pack , 2 Years Warranty
Item Weight	0.2 Pounds
Item dimensions L x W x H	12.7 x 2.5 x 7.6 Centimeters
Manufacturer	Nilight
Material	Copper
Material Type	Copper
Maximum Current	30 Amps
Model Number	NI-FH01
Mounting Type	Through-Hole Mount
Part Number	NI-FH01
Specification Met	UL
UPC	600537013711
Unit Count	10.0 Count
Voltage	12 Volts

Reviews

R**Z

Great quality, upgrade to blade fuses

Fast shipping. Very sturdy. Great upgrade over the original. Update to blade fuses of whatever rating needed. Highly recommended

15.05.2026

R**N

Quality of product...reasonble delivery rate..good price

Decent power level and build is solid....fuse safety in Automotive and RV applications

6.05.2026

M**T

Parfait

6.05.2026

S**Y

Amazing

Works great. Great quality. Used on my Polarise side by side quad for my light bar. Feel better knowing I have more extra fuses and worth the money for sure. I'd recommend.

29.10.2020

B**N

Good quality

I use them all the time. Always works great

25.04.2026

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