20 Best 10 Gauge Wire Fuse Size [2024]

Are you looking for the best 10 Gauge Wire Fuse Size? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 10 Gauge Wire Fuse Size.

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1 MulWark 2 Pack 10 Gauge Tinned Copper Marine Wire Waterproof IP67 Inline Fuse Holder Pigtail Blade... MulWark 2 Pack 10 Gauge Tinned Copper Marine Wire Waterproof IP67 Inline Fuse Holder Pigtail...
2 10ga Fuse Holder, 2 Pack MUYI Inline Fuse Holder 10 Gauge Fuse Holders 12v Waterproof Pigtail Blade... 10ga Fuse Holder, 2 Pack MUYI Inline Fuse Holder 10 Gauge Fuse Holders 12v Waterproof Pigtail...
3 MCIGICM Fuse Holder 10 Gauge, Inline Fuse Holders 10 AWG Waterproof with 40 Amp Fuse, 3 Pack MCIGICM Fuse Holder 10 Gauge, Inline Fuse Holders 10 AWG Waterproof with 40 Amp Fuse, 3 Pack
4 10(AWG) Gauge Wire Inline Fuse Holder - Waterproof Power Socket Medium Blade Type Inline Fuse... 10(AWG) Gauge Wire Inline Fuse Holder - Waterproof Power Socket Medium Blade Type Inline Fuse...
5 Inline Fuse Holder 10 Gauge - 4 Pack Waterproof Inline Fuse Holder with 4 Pack 30AMP Blade Fuse & 4... Inline Fuse Holder 10 Gauge - 4 Pack Waterproof Inline Fuse Holder with 4 Pack 30AMP Blade Fuse &...
6 UNEEDE 10 Pack Fuse Inline Fuse Holder ATC/ATO Add-a-Circuit Car Fuse Holder TAP Adapter 16 Gauge... UNEEDE 10 Pack Fuse Inline Fuse Holder ATC/ATO Add-a-Circuit Car Fuse Holder TAP Adapter 16 Gauge...
7 SAE Battery Connector - iGreely 10 Gauge Wire SAE to O Ring Terminal, 2-Pin Quick Disconnect SAE... SAE Battery Connector - iGreely 10 Gauge Wire SAE to O Ring Terminal, 2-Pin Quick Disconnect SAE...
8 InstallGear 10 Gauge Red 25ft Power/Ground Wire True Spec and Soft Touch Cable InstallGear 10 Gauge Red 25ft Power/Ground Wire True Spec and Soft Touch Cable
9 InstallGear ATC Fuse Holder with 30A Fuse, 10 Gauge OFC Power Wire (12 Pack) InstallGear ATC Fuse Holder with 30A Fuse, 10 Gauge OFC Power Wire (12 Pack)
10 BNTECHGO 10 Gauge Silicone Wire 10 ft red and 10 ft Black Flexible 10 AWG Stranded Copper Wire BNTECHGO 10 Gauge Silicone Wire 10 ft red and 10 ft Black Flexible 10 AWG Stranded Copper Wire
11 Nilight 10 Pack NI-FH01 Inline Holder 14AWG Wiring Harness ATC/ATO 30AMP Blade Automotive Fuse... Nilight 10 Pack NI-FH01 Inline Holder 14AWG Wiring Harness ATC/ATO 30AMP Blade Automotive Fuse...
12 MUYI 2 Set Mini Blade Fuse Holder 14 Gauge Waterproof Pigtail Inline Fuse Holder with 15A ATM Fuses MUYI 2 Set Mini Blade Fuse Holder 14 Gauge Waterproof Pigtail Inline Fuse Holder with 15A ATM Fuses
13 50A Inline AGU fuse holder fits for 4 8 10 Gauge wire including 2 pcs 50A Fuse 1pc Hex key wrench 50A Inline AGU fuse holder fits for 4 8 10 Gauge wire including 2 pcs 50A Fuse 1pc Hex key wrench
14 Nilight 120 Pcs Standard Blade Fuse 5A/7.5A/10A/15A/20A/25A/30A AMP Assorted Set with 10 Pack 14AWG... Nilight 120 Pcs Standard Blade Fuse 5A/7.5A/10A/15A/20A/25A/30A AMP Assorted Set with 10 Pack...
15 60A Inline AGU fuse holder fits for 4 8 10 Gauge wire including 2 pcs 60A Fuse 1pc Hex key wrench 60A Inline AGU fuse holder fits for 4 8 10 Gauge wire including 2 pcs 60A Fuse 1pc Hex key wrench
16 12 Gauge Fuse Holder ATC/ATO, SIM&NAT 5 Packs in-Line Automotive Blade Fuse Holder with 65PCS... 12 Gauge Fuse Holder ATC/ATO, SIM&NAT 5 Packs in-Line Automotive Blade Fuse Holder with 65PCS...
17 InstallGear 8/10 Gauge AWG in-Line AGU Fuse Holder with 40 Amp Fuse InstallGear 8/10 Gauge AWG in-Line AGU Fuse Holder with 40 Amp Fuse
18 Inline Fuse Holders & Fuses Kit - Muhize 16 Gauge Automotive ATC/ATO Standard Fuse Holder with 15... Inline Fuse Holders & Fuses Kit - Muhize 16 Gauge Automotive ATC/ATO Standard Fuse Holder with 15...
19 ZOOKOTO 2Pcs 60Amp Inline AGU Fuse Holder Fuse Block Fits 4/8/10 Gauge Wire With Fuse ZOOKOTO 2Pcs 60Amp Inline AGU Fuse Holder Fuse Block Fits 4/8/10 Gauge Wire With Fuse
20 ZOOKOTO 0/2/4 Gauge in 4/8/10 Gauge Out Amp Power Distribution Block Car Audio Splitter 2 Way... ZOOKOTO 0/2/4 Gauge in 4/8/10 Gauge Out Amp Power Distribution Block Car Audio Splitter 2 Way...
Bestseller No. 1
MulWark 2 Pack 10 Gauge Tinned Copper Marine Wire Waterproof IP67 Inline Fuse Holder Pigtail Blade...
  • PACKAGE INCLUDED: 2 x standard inline fuse holders and 2 x 40Amp standard blade fuse. Our car fuse can be easily identified by the white mark amp...
  • SAFETY PROTECTION: The heavy-duty 10 gauge (AWG) tin-plated copper wire features an excellent oxidation resistance that adds protection to the circuit...
  • WATERPROOF DESIGN: The gauge fuse holder is equipped with a tight-fitting, waterproof rubber cap with IP67 waterproof rating for maximum prevention of...
  • PREMIUM QUALITY WIRE: High-quality soft red pigtail silica gel wire makes it easier to strip than other materials. What’s more, the 30cm wire length...
  • WIDE APPLICATION: Support ATC/ATO standard blade fuse of 5A, 7.5A, 10A, 15A, 20A, 25A, 30A, 40A, easy to use and ideal for car truck, boats, RVs,...
Bestseller No. 2
10ga Fuse Holder, 2 Pack MUYI Inline Fuse Holder 10 Gauge Fuse Holders 12v Waterproof Pigtail Blade...
  • 10 AWG thick red pigtail wire allow you to splice it into any project.
  • Wire length: 6 inches 10 gauge wire each side, Fuse holder dimension: 41x35x15mm
  • Waterproof design, the rubber cap fits on tightly to protect any standard blade fuse inside. NOT easy to fall off or let water in.
  • Inline Fuse Holder for standard blade fuses, Suitable for 1A,2A,3A,5A,7.5A,10A,15A,20A,30A,40A, ideal for car truck trailer atv boat marine
  • Package Included: 2 X Standard Blade Fuse Holder and 2 X 40Amp Standard Blade Fuse
Bestseller No. 3
MCIGICM Fuse Holder 10 Gauge, Inline Fuse Holders 10 AWG Waterproof with 40 Amp Fuse, 3 Pack
  • Heavy duty 10AWG wire, better protection to the circuit.
  • Wire length: 6 inches 10 gauge wire, Fuse holder dimension: 41x35x15mm
  • Fits for 1A, 2A, 3A, 4A, 5A, 7.5A, 10A, 15A, 20A, 25A, 30A, 40A ATC/ATO blade fuse.
  • Waterproof design, the rubber cap fits on tightly to protect any standard blade fuse inside.
  • Package included 3 x 10 gauge fuse holder & 3 x 40A blade fuse.
Bestseller No. 4
10(AWG) Gauge Wire Inline Fuse Holder - Waterproof Power Socket Medium Blade Type Inline Fuse...
  • 【High quality】The gauge wire inline fuse holder made of premium material, which could bear 40A heavy duty 10(AWG) Gauge , and they have good...
  • 【Size】Wire length: 6 inches 10 gauge wire each side Fuse block dimension: 41x35x15mm. The 30cm wire length ensures convenient installation on...
  • 【Waterproof design】The fuse holder with waterproof cap could keep fuses away from dust, dirt, and water. But do not use in water directly. Fix and...
  • 【Scope of application】The fuse holder can be use for Car, Truck,Boat, Automotive Motor, Vehicle Battery, RV, CD players, Fax machines ect
  • 【Satisfaction Guarantee】If you have any questions in the process of use, please contact us, we will quickly answer for you, your satisfaction is...
Bestseller No. 5
Inline Fuse Holder 10 Gauge - 4 Pack Waterproof Inline Fuse Holder with 4 Pack 30AMP Blade Fuse & 4...
  • ➤PREMIUM QUALITY:The heavy duty 10 gauge tin-plated copper wire is made of high quality material with good electrical conductivity and melting...
  • ➤WIDE APPLICATION:Fits for ATC/ATO standard blade fuse of 5A, 7.5A, 10A, 15A, 20A, 25A, 30A, 40A. Widely used for boat, RV, car, truck,...
  • ➤EASY TO USE:Just directly plug to the existing fuse holder without splicing or cutting. Keep your car and electric device in a safe condition.With...
  • ➤EXCELLENT WATERPROOF DESIGN:The fuse holder with tight-fitting rubber cap, can maximum prevent water, dust, and dirt from getting in
  • ➤PACKAGE INCLUDED:4×10 gauge fuse holder, 4×30A blade fuse, 4×40A blade fuse
SaleBestseller No. 6
UNEEDE 10 Pack Fuse Inline Fuse Holder ATC/ATO Add-a-Circuit Car Fuse Holder TAP Adapter 16 Gauge...
  • SAFETY PROTECTION: Heavy duty 16 AWG fuse holder, great look and added protection to the circuit. And easy to add additional circuits for all cars, CD...
  • SUITABLE FOR MUITILPLE FUSES: Fits for 1A, 2A, 3A, 4A, 5A, 7.5A, 10A, 15A, 20A ATC/ATO blade fuse
  • WATERPROOF FUSE HOLDER: Unique design of dual slot tight-fitting waterproof lid to enhance moisture-proof and waterproof performance. It's no doubt...
  • SUPERIOR QUALITY: High-quality materials ensure high fatigue resistance, melting resistance and excellent electrical conductivity which allows easy...
  • PACKAGE INCLUDE: 10 x 16AWG 5.9in ATC/ATO Blade Fuse Holder with 10 pcs 15AMP Standard fuses
Bestseller No. 7
SAE Battery Connector - iGreely 10 Gauge Wire SAE to O Ring Terminal, 2-Pin Quick Disconnect SAE...
  • SAE Battery Connector - Positive/Negative ATC Style Fuse Holder with 30A Fuse and 2pcs extra fuses(20A and 15A).
  • The cable is made of heavy duty 10AWG wire. Very thick and durable.
  • Total length:0.6m/2ft, cable length:0.5m/1.6ft.
  • Tin plated 5/16" Ring Terminals on one end.
  • Designed for your vehicle that with hard-to-access batteries, extending car or motorcycle's battery charging terminals, keeping it trickle charged...
SaleBestseller No. 8
InstallGear 10 Gauge Red 25ft Power/Ground Wire True Spec and Soft Touch Cable
  • 25-FEET (7.62m) [ RED 10 GAUGE POWER/GROUND WIRE ] - The lower the gauge number, the thicker the wire. Thicker wire presents less resistance to...
  • COPPER CLAD ALUMINUM (CCA) - CCA wiring provides a good conductor for power transfer. This is the most economical option when choosing power or ground...
  • RUGGED PVC JACKET - Allows free, wide and seamless adjustment of the required physical properties of this wire such as flexibility, elasticity, and...
  • EASY POLARITY IDENTIFICATION - This two color jacket allows for easy polarity identification. Making a polarity mistake could be damaging to your...
  • SOFT TOUCH JACKET - The jacket on our cable is designed with the installer in mind. The flexibility of this jacket allows for easy routing and has a...
Bestseller No. 9
InstallGear ATC Fuse Holder with 30A Fuse, 10 Gauge OFC Power Wire (12 Pack)
  • 12 Pack of 30A ATC Fuse Holders with 10 Gauge OFC Power Wire Leads
  • Water Resistant Fuse Holder
  • True Spec 10 Gauge Wire with Rugged PVC Jacket
  • Oxygen-free Copper (OFC)
  • 30A Fuses Included
Bestseller No. 10
BNTECHGO 10 Gauge Silicone Wire 10 ft red and 10 ft Black Flexible 10 AWG Stranded Copper Wire
  • High Quality Ultra Flexible Soft Silicone Rubber Copper Wire!Super Low Impedance,Highly Efficient!
  • High strand count copper core,10 AWG silicone stranded wire has 1050 strands 0.08 mm tinned copper wire,the copper strands are tinned,protecting them...
  • They are constructed with premium silicone rubber insulation.High temperature resistance 200 degree C,Low temperature resistance,in extreme cold -60...
  • 10 gauge silicone wire kit: 2 colors,red and black,each color 10 ft,total 20 feet.
  • BNTECHGO silicone wire are widely used for model planes,model cars,model ships,lamps,household appliances,electric heating...
SaleBestseller No. 11
Nilight 10 Pack NI-FH01 Inline Holder 14AWG Wiring Harness ATC/ATO 30AMP Blade Automotive Fuse...
  • SAFETY PROTECTION: Heavy duty 14 gauge (AWG) red color wire, great look and added protection to the circuit
  • SUITABLE FUSES: Fits for 1A, 2A, 3A, 4A, 5A, 7. 5A, 10A, 15A, 20A, 25A, 30A ATC/ATO blade fuse of 19. 1 × 18. 5 × 5. 1 mm
  • WATER RESISTANCE: Tight-fitting waterproof lid, great damp-proof and waterproof performance, this item is safe and reliable
  • PREMIUM QUALITY: High-quality materials ensure good bending performance, melting resistance and excellent electrical conductivity
  • PACKAGE INCLUDE: 10 x 14AWG ATC/ATO Inline Fuse Holder
SaleBestseller No. 12
MUYI 2 Set Mini Blade Fuse Holder 14 Gauge Waterproof Pigtail Inline Fuse Holder with 15A ATM Fuses
  • Material:copper+rubber, Fuse holder dimension:38x25x13mm
  • In-line fuse holder for mini blade fuses, Suitable for 1A,2A,3A,5A,7.5A,10A,15A,20A, ideal for car truck atv boat
  • 14 AWG thick red pigtail wire allow you to cut and splice it into any project, Wire length:30cm/12inches, Wire range:14 AWG
  • Waterproof design, the rubber cap fits on tightly to protect any mini blade fuse inside.NOT easy to fall off or let water in.
  • Package Included: 2 X Mini Blade Fuse Holder and 2 X 15A Mini Blade Fuse
Bestseller No. 13
50A Inline AGU fuse holder fits for 4 8 10 Gauge wire including 2 pcs 50A Fuse 1pc Hex key wrench
  • Gold Plated conductivity.
  • Flame-retardant and tranparant PC housing.
  • wire specification:4/8/10Ga*1 in and 4/8/10Ga*1 out.
  • Include 2 pcs of AGU fuse.
  • Include 1 set of Hex ket wrench for fixing the wire.
SaleBestseller No. 14
Nilight 120 Pcs Standard Blade Fuse 5A/7.5A/10A/15A/20A/25A/30A AMP Assorted Set with 10 Pack 14AWG...
  • [Standard Blade Fuse]:0.75*0.74*0.3 Inch.Fuse Type: Blade.Material:Zn alloy/Plastic. Protect your car and your electrical device from short circuit,...
  • [10 Pack In-Line Fuse Holder]:Heavy duty 14 gauge (AWG) red color wire, great look and added protection to the circuit.
  • [Safety Protection]: Unique design of dual slot tight-fitting waterproof lid to enhance moisture-proof and waterproof performance. It's no doubt that...
  • [Suitable Fuses]: Fits for 1A, 2A, 3A, 4A, 5A, 7.5A, 10A, 15A, 20A, 25A, 30A ATC/ATO blade fuse of 19.1 × 18.5 × 5.1 mm
  • [Package Include]: 10 x 14AWG ATC/ATO Inline Fuse Holder and 120 pcs standard blade fuse+Puller
Bestseller No. 16
12 Gauge Fuse Holder ATC/ATO, SIM&NAT 5 Packs in-Line Automotive Blade Fuse Holder with 65PCS...
  • Heavy Duty 12 AWG Fuse Holders, Protecting circuits and electrical equipment. Easy to add additional circuits for cars, CD players, fax machines and...
  • PREMIUM QUALITY: Fuse holders wiring harness select Tin plated copper as conductor to ensure its good bending performance, melting resistance and...
  • SUITABLE FUSES: Fits for 1A - 40A ATC/ATO blade fuse of 19.1 × 18.5 × 5.1 mm
  • Waterproof cap of fuse holder: Unique design of dual slot tight-fitting waterproof lid to enhance moisture-proof, waterproof performance and dust...
  • Package included: 5 pack inline fuse holder + 65pcs car fuses sets ( 1A / 2A / 3A / 4A / 5A / 7.5A / 10A / 15A / 20A / 25A / 30A /35A / 40A) 5pcs...
Bestseller No. 17
InstallGear 8/10 Gauge AWG in-Line AGU Fuse Holder with 40 Amp Fuse
  • 8 or 10 Gauge AGU Fuse Holder
  • 40-Amp AGU Fuse
  • Crystal Clear Housing
  • Durable High Temperature Base
  • Gold Plated for Conductivity
Bestseller No. 18
Inline Fuse Holders & Fuses Kit - Muhize 16 Gauge Automotive ATC/ATO Standard Fuse Holder with 15...
  • PACKAGE INCLUDED - ① MuHize 10 x In-line standard blade fuse holder with 16 gauge red color wire + 10 x 15 AMP standard fuse. ② Suitable for...
  • EXCELLENT WATERP-ROOF DESIGN - Support up to 30A fuses for 12V DC. It provides tight-fitting rubber cap with excellent water-proof design. NEVER easy...
  • EASY TO USE - Easy to plug into an existing fuse holder without splicing or cutting. Keep your car and electric device in a safe condition.
  • WIDELY APPLICATION - MuHize assorted in-line fuse holder kit commonly fits for standard blade fuses (rating 1Amp-30Amp), Perfect for Car Truck Boat,...
  • HIGH QUALITY - 100% brand new & made from excellent materials, good electrical conductivity, and melting resistance.
Bestseller No. 19
ZOOKOTO 2Pcs 60Amp Inline AGU Fuse Holder Fuse Block Fits 4/8/10 Gauge Wire With Fuse
  • Car Inline AGU Fuse Holder 60A
  • 4/8/10 Gauge Input and Output,(No red gasket, will fit 4 gauge)
  • Inlet Wire Hole Dia(Approx):6mm/0.24"
  • Output Wire Hole Dia(Approx):6mm/0.24"
  • Ideal for Custom Protection Circuits or to Replace an Existing Defective One
Bestseller No. 20
ZOOKOTO 0/2/4 Gauge in 4/8/10 Gauge Out Amp Power Distribution Block Car Audio Splitter 2 Way...
  • High Performance 2 way Copper Car Audio Power/Ground Distribution Block
  • 1-0/2/4 Gauge In,2-4/8/10 Gauge out
  • High Strength, Nonperishable Industrial-grade Plastic Cover
  • The Interior Is Made Of Copper
  • Suitable for auto car, boat or other vehicles, protect your vehicle's audio's system

Having trouble finding a great 10 Gauge Wire Fuse Size?

This problem is well understood by us because we have gone through the entire 10 Gauge Wire Fuse Size research process ourselves, which is why we have put together a comprehensive list of the best 10 Gauge Wire Fuse Sizes available in the market today.

After hours of searching and using all the models on the market, we have found the best 10 Gauge Wire Fuse Size for 2023. See our ranking below!

How Do You Buy The Best 10 Gauge Wire Fuse Size?

Do you get stressed out thinking about shopping for a great 10 Gauge Wire Fuse Size? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching 10 Gauge Wire Fuse Size, which is why we have assembled a comprehensive list of the greatest 10 Gauge Wire Fuse Size available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 10 Gauge Wire Fuse Size that you consider buying. Your questions might include the following:

  • Is it worth buying an 10 Gauge Wire Fuse Size?
  • What benefits are there with buying an 10 Gauge Wire Fuse Size?
  • What factors deserve consideration when shopping for an effective 10 Gauge Wire Fuse Size?
  • Why is it crucial to invest in any 10 Gauge Wire Fuse Size, much less the best one?
  • Which 10 Gauge Wire Fuse Size are good in the current market?
  • Where can you find information like this about 10 Gauge Wire Fuse Size?

We’re convinced that you likely have far more questions than just these regarding 10 Gauge Wire Fuse Size, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 10 Gauge Wire Fuse Size, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 10 Gauge Wire Fuse Size. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an 10 Gauge Wire Fuse Size buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 10 Gauge Wire Fuse Size currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 10 Gauge Wire Fuse Size has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 10 Gauge Wire Fuse Size?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 10 Gauge Wire Fuse Size.
  5. Customer Ratings: Number ratings grade 10 Gauge Wire Fuse Size objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 10 Gauge Wire Fuse Size.
  7. Product Quality: You don’t always get what you pay for with an 10 Gauge Wire Fuse Size, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 10 Gauge Wire Fuse Size is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining 10 Gauge Wire Fuse Size information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding 10 Gauge Wire Fuse Size is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What size wire do I need for a fuse box?

A: That table tells you that you should have no smaller than 21 gauge wire for your circuit. Personally, I would go with the 20 gauge wire and a 2.5A fuse.

Q: How to choose the right fuse size for your circuit?

A: Actually, the load of the circuit should have nothing to do with choosing a fuse size. The fuse size should be based on the SMALLEST wire (largest gage number) in the circuit. How to calculate fuse rating

Q: What are the applications of wire wire size 6 to 12?

A: Applications of Wire Wire Size 6-Volt Wire Size 12-Volt Item 8 10 Ampmeter gauge 8 10 Alternator or generator and regulator large terminals 12 14 Electric fuel pump 12 14 Alternator or generator and regulator small terminals 14 16 Gauges, fuel, oil, temperature 14 16 Ignition, distributor, coil 14 16

Q: What size fuse do I need to wire a doorbell?

A: PROPER FUSE RATING TO WIRE SIZE. Wire Gauge (copper) Fuse Rating Comment. 22 gauge (ga.) — 24 volt thermostat, 10-16 volt doorbell 18 ga. — Lamp cord, Low voltage equipment 16 ga. — Lamp cord, low volt sound system wiring (to speakers, etc.) 14 ga. 15 Ampere (amp) Common old house wiring (knob and tube) 12 ga.