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

Inline Fuse Holder | Desertcart INDIA

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Description

⚡ Power Up Your Ride with Nilight’s Ultimate Fuse Protection!

ROBUST 14 AWG WIRING - Heavy-duty copper wire ensures superior durability and optimal electrical flow for your automotive projects.
PLUG PLAY INSTALLATION - Easy inline fuse holder design with 12-inch loop length, ideal for quick upgrades on cars, boats, RVs, and more.
WATERPROOF DUSTPROOF SEAL - Tight-fitting lid protects your circuits from moisture, dirt, and road splashes—perfect for rugged environments.
TRUSTED QUALITY WITH WARRANTY - UL certified and backed by a 2-year warranty, ensuring peace of mind for your electrical safety needs.
UNIVERSAL ATC ATO FUSE COMPATIBILITY - Fits a wide range of blade fuses from 1A to 30A, giving you ultimate flexibility and control.

The Nilight 10 Pack NI-FH01 Inline Fuse Holders feature heavy-duty 14 AWG copper wiring and a waterproof cover, supporting ATC/ATO blade fuses from 1A to 30A. Designed for easy installation across vehicles like cars, boats, and RVs, these UL-certified fuse holders deliver reliable circuit protection with a 2-year warranty, making them a top choice for automotive electrical safety.

Specifications

AC Adapter Current	30 Amps
ASIN	B07426WCLM
Best Sellers Rank	#1,822 in Automotive ( See Top 100 in Automotive ) #5 in Automotive Replacement Fuse Holders
Brand	Nilight
Brand Name	Nilight
Current Rating	30 Amps
Customer Reviews	4.7 out of 5 stars 4,699 Reviews
EU Spare Part Availability Duration	2 Years
Global Trade Identification Number	00600537013711
Included Components	10PCS In-line Fuse Holders
Item Dimensions	5 x 1 x 3 inches
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	5 x 1 x 3 inches
Manufacturer	Nilight
Material	Copper
Material Type	Copper
Maximum Current	30 Amps
Model	NI-FH01
Mounting Type	Through-Hole Mount
Part Number	NI-FH01
UPC	600537013711
Unit Count	10.0 Count
Voltage	12 Volts
Warranty Description	2 years Warranty

Reviews

S**E

Good Fuse Holders

Good little fuse holders. I do lots of DIY electronics projects. And for safety sake, I always put fuses in my circuits. This 10 pack of ATC / ATO fuse holders make it very simple to add a fuse. The wire size is marked as 14AWG. The holder itself is pretty standard. Fuses snap in with no problem and make good contact. The cap locks on nice and tight. All in all, these are very good fuse holders.

11.03.2026

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

C**E

Have worked good for multiple projects

Have used these on multiple projects indoors and outdoors with no issues. When I need to reorder more I will get it from this seller.

30.03.2026

C**R

14ga fuse holder

Seems to be decent quality. I thought this 10 pack came with fuses, but were not included. Good price but made in China. Beware of cheap China fuses. Many will not blow at their rated amps and could burn the wires or damage the device the fuse is intended to protect.

29.09.2023

J**N

The Go To For Blade Inline Holders

Good quality and common awg size used these when I wired in aftermarket LED lights for an SUV and gotta say these seal well feel durable and are easy to install without issue.

29.03.2026

A**R

good value

nice

7.05.2026

M**.

Excellent

Excellent product

29.04.2026

J**P

working great thanks

28.02.2026

M**T

Parfait

6.05.2026

Y**N

Buena calidad

Muy buena calidad y util

23.10.2024

P**R

Good Buy!

Looks like a well made product.

27.01.2026

S**S

Good

12.11.2023

B**R

Fuse Holder

vehicle wiring protection

25.08.2020

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