Best Wire Connectors to buy in 2018? [Reviews and Comparison]

Wire connectors are used to ensure a secure and low-impedance connection between two or several electrical wires within a box.

With current and flame-resistant exteriors and materials, wire connectors stop wires from making contact with other wires or exposed conductive surfaces, preventing dangerous short circuits or other faults.

Let's have a look at some options in the market to find out which ones are the best wire connectors to buy in 2018.

​Comparison Chart

Top Pick
Weilder Heat Shrink Wire Connectors Kit
Runner Up
Wirefy Heat Shrink
Glarks 540 Pieces
Eventronic 200 Pieces
Wirefy 120 Pieces
270 PCS Weilder Heat Shrink Wire Connectors Kit - Electrical Terminals - Marine Automotive Crimp Connector - Butt Splices Hook Fork Ring Spade Assortment
180 PCS Wirefy Heat Shrink Butt Connectors – Waterproof Wire Connectors - Automotive Marine Grade Electrical Terminals – Crimp Butt Splice Terminal Kit
Glarks 540pcs 22-16/16-14/12-10 Gauge Mixed Quick Disconnect Electrical Insulated Butt Bullet Spade Fork Ring Solderless Crimp Terminals Connectors Assortment Kit
200pcs Heat Shrink Butt Connectors Terminals, Eventronic Insulated Waterproof Marine Automotive Copper Wire Electrical Kits (3 Colors 3 Sizes)
120 PCS Wirefy Heat Shrink Connector Kit - Electrical Insulated Wire Terminals Crimp Ring Butt Spade Marine Waterproof Automotive
No. Of Pieces
270 pieces
180 pieces
540 pieces
200 pieces
120 pieces
Durability
opper barrel, heat shrink tubing, and damage-resistant
Heat shrink increases durability
Worse than other better-known brands
Reasonably durable
Increased durability
Editor's Rating
Top Pick
Weilder Heat Shrink Wire Connectors Kit
270 PCS Weilder Heat Shrink Wire Connectors Kit - Electrical Terminals - Marine Automotive Crimp Connector - Butt Splices Hook Fork Ring Spade Assortment
No. Of Pieces
270 pieces
Durability
opper barrel, heat shrink tubing, and damage-resistant
Editor's Rating
Runner Up
Wirefy Heat Shrink
180 PCS Wirefy Heat Shrink Butt Connectors – Waterproof Wire Connectors - Automotive Marine Grade Electrical Terminals – Crimp Butt Splice Terminal Kit
No. Of Pieces
180 pieces
Durability
Heat shrink increases durability
Editor's Rating
Glarks 540 Pieces
Glarks 540pcs 22-16/16-14/12-10 Gauge Mixed Quick Disconnect Electrical Insulated Butt Bullet Spade Fork Ring Solderless Crimp Terminals Connectors Assortment Kit
No. Of Pieces
540 pieces
Durability
Worse than other better-known brands
Editor's Rating
Eventronic 200 Pieces
200pcs Heat Shrink Butt Connectors Terminals, Eventronic Insulated Waterproof Marine Automotive Copper Wire Electrical Kits (3 Colors 3 Sizes)
No. Of Pieces
200 pieces
Durability
Reasonably durable
Editor's Rating
Wirefy 120 Pieces
120 PCS Wirefy Heat Shrink Connector Kit - Electrical Insulated Wire Terminals Crimp Ring Butt Spade Marine Waterproof Automotive
No. Of Pieces
120 pieces
Durability
Increased durability
Editor's Rating

Last update on 2018-12-15 at 10:04 / Affiliate links / Images from Amazon Product Advertising API


Our Wire Connectors Reviews

1. Weilder Heat Shrink Wire Connectors Kit

270 PCS Weilder Heat Shrink Wire Connectors Kit - Electrical Terminals - Marine Automotive Crimp Connector - Butt Splices Hook Fork Ring Spade Assortment

This wire connectors kit is one of the best value-for-money kits offered to-date by the Weilder brand, offering a selection of 9 different connector types that come in a variety of sizes and colors.

270 PCS Weilder Heat Shrink Wire Connectors Kit - Electrical Terminals - Marine Automotive Crimp Connector - Butt Splices Hook Fork Ring Spade Assortment

Features:

  • Nº Pieces: 270 pieces
  • Types: Forks, Rings, Hooks, Quick Disconnects, Butt Connectors
  • Durability: Copper barrel, heat shrink tubing, and damage-resistant
  • Ease of application: 

This full set of wire connectors is certified to electrical standards, including ROHS, ISO 9001:2008, SGS and CE standards compliant.

This ensures their strength and durability for daily use. The set features a wide array of forks, rings, hooks, quick disconnects and butt connectors.

What's to like about Weilder Heat Shrink Wire Connectors Kit

Though the price is similar to other sets we’ve listed, this set comes with a huge 270-piece selection of parts, with a wide variety of hooks, rings and more.

The copper barrel design provides benefits such as reduced voltage fluctuation and increased current flow.

What's not to like about Weilder Heat Shrink Wire Connectors Kit

Though there are numerous distinct types of connections, there are only three colors – yellow, blue and red. This can make things a little confusing.

 Also, you’ll need a high-quality crimper to ensure a straight-forward crimping process, as poor-quality units may not heat quickly or sufficiently enough.

PROS

  • Large abundance of units
  • Copper barrel design provides a number of benefits

CONS

  • Fewer colors than there are parts
  • Requires a high-quality crimper

2. Wirefy Heat Shrink

180 PCS Wirefy Heat Shrink Butt Connectors – Waterproof Wire Connectors - Automotive Marine Grade Electrical Terminals – Crimp Butt Splice Terminal Kit

Wirefy are one of the brand leaders in creating high-quality wire connectors with built-in features that service to improve strength and durability. These are also waterproof and corrosion-resistant.

180 PCS Wirefy Heat Shrink Butt Connectors – Waterproof Wire Connectors - Automotive Marine Grade Electrical Terminals – Crimp Butt Splice Terminal Kit

Features:

  • Nº Pieces: 180 pieces
  • Types: 3 sizes of connectors
  • Durability: Heat shrink increases durability
  • ​Ease of application: Translucent design makes things easier

The barrel is crafted from a single piece of seamless copper, removing the issue of the barrel opening up. The translucent heat shrink tubing also ensures a high tensile strength, providing resistance to stretching or mechanical damage.

What's to like about Wirefy Heat Shrink

The design of these connectors makes them translucent, which is really useful when crimping wires, as you can see the success of the connection inside. The heat shrink feature also makes for a more secure connection between two or more wires.

What's not to like about Wirefy Heat Shrink

As this is typically a more expensive brand, you will pay a little more than some of the other products listed here, whilst getting less units. However, you do get added features like the heat shrink. Unfortunately, it does also take a great deal of heat to shrink the wrap, so you’ll need a good crimper.

PROS

  • Translucent for easy viewing inside
  • Heat shrink creates more secure connections

CONS

  • More expensive brand
  • Takes a lot of heat to shrink the wrap

3. Glarks 540 Pieces

Glarks 540pcs 22-16/16-14/12-10 Gauge Mixed Quick Disconnect Electrical Insulated Butt Bullet Spade Fork Ring Solderless Crimp Terminals Connectors Assortment Kit

These connectors aren't the best but aren't terrible either. For a low price, however, you do get a great deal of units, making them perfect for the electrician or DIY enthusiast who uses such parts on a semi-regular basis.

Glarks 540pcs 22-16/16-14/12-10 Gauge Mixed Quick Disconnect Electrical Insulated Butt Bullet Spade Fork Ring Solderless Crimp Terminals Connectors Assortment Kit

Features:

  • Nº Pieces: 540 pieces
  • Types: 12 types
  • Durability: Worse than other better-known brands
  • ​Ease of application: Easy to apply

The wire range within this set includes 22-16 (red), 16-24 (blue) and 12-10 (yellow) connectors, with a selection of quality copper and PVC materials used in the making. All parts also comply with UL and ROHS electrical compliance standards.

What's to like about Glarks 540 Pieces

Given that the set includes 540-pieces and 12 different types of connector, you’re not going to run short on any particular parts. This makes the set perfect for somebody carrying out electrical work on a semi-regular basis, as the connectors will last for a great deal of time.

What's not to like about Glarks 540 Pieces

The telling part is that you get such a large number of units for such a small price. As would be expected, the quality is not as good as leading brands. What’s more, as these parts are produced abroad, delivery can take some time.

PROS

  • Vast abundance of spares
  • Large number of compartments separates out parts well

CONS

  • Poorer quality than leading brands
  • Product comes a long way on delivery

4. Eventronic 200 Pieces

200pcs Heat Shrink Butt Connectors Terminals, Eventronic Insulated Waterproof Marine Automotive Copper Wire Electrical Kits (3 Colors 3 Sizes)

The 200-piece Eventronic set of wire connectors comes with a generous number of pieces, though what it makes up for in abundance, it lacks in variety; there are just 3 types within this set.

200pcs Heat Shrink Butt Connectors Terminals, Eventronic Insulated Waterproof Marine Automotive Copper Wire Electrical Kits (3 Colors 3 Sizes)

Features:

  • Nº Pieces: 200 pieces
  • Types: 3 types
  • Durability: Reasonably durable
  • Ease of application: Easily form a strong seal

The connectors within this set come color-coded (blue, yellow, and red) and are marine-grade, insulated and waterproof products, offering a great deal of protection to your electronic wiring. Translucent heat shrink tubing ensures a high-tensile strength and resistance to stretching.

What's to like about Eventronic 200 Pieces

Though this may sound like a small benefit, the case in which these connectors come stored forms a tight seal that keeps them in order. Many products come in flimsy cases that result in chaotic cases with no organization. Color-coded tubing also helps to identify wiring quickly and easily.

What's not to like about Eventronic 200 Pieces

One of the downsides to this product is that the crimping process causes breaks to form within the heat seal. What’s more, you’ll require a reasonably powerful and good-quality crimper to make these work; a low-quality, inexpensive model will not suffice.

PROS

  • Tightly sealed case keeps order
  • Color-coded tubing provides easy identification

CONS

  • Requires a good crimper
  • Crimping causes breaks in the heat shrink

5. Wirefy 120 Pieces

120 PCS Wirefy Heat Shrink Connector Kit - Electrical Insulated Wire Terminals Crimp Ring Butt Spade Marine Waterproof Automotive

This set of connectors from Wirefy has just under half of the units offered by the other set of the same brand that we looked at earlier. Around since the end of 2016, this set has the same design features and quality product features as the aforementioned set.

120 PCS Wirefy Heat Shrink Connector Kit - Electrical Insulated Wire Terminals Crimp Ring Butt Spade Marine Waterproof Automotive

Features:

  • Nº Pieces: 120 pieces
  • Types: Forks, rings, hooks, quick disconnects, butt connectors
  • Durability: Increased durability
  • ​Ease of application: Easily attachable, though case is flimsy

This set has 120 pieces, featuring forks, rings, hooks, and a range of other connectors. They feature a copper barrel to increase current flow and reduce voltage drop and have strip wire insulation and a crimp connector barrel. These connectors are also compliant with electrical design standards.

What's to like about Wirefy 120 Pieces

The Wirefy 120-piece set of wire connectors are delivered in appealing packaging, with a wide array of connectors available out of the box. What's more, the shrink tube extends all the way to the end and seals forwards, in addition to against the blade, covering the crumping area. 

What's not to like about Wirefy 120 Pieces

Two of the negatives with this product are closely related; for one, the case is quite flimsy, which results in the catch detaching on some occasions. Also, though a minor point, you only get a specific number of each connector, so if you need more of 1 type, you might have no use for a lot of the others.

PROS

  • Appealing packaging
  • Heat shrink provides full coverage
  • Wide variety of connectors

CONS

  • Case is reasonably flimsy
  • Catch can detach occasionally
  • Can’t select the specific connectors required

FINAL VERDICT

For us, the clear choice amongst all of these products is the Weilder Heat Shrink Wire Connectors Kit. This set comes at a similar price tag to the rest of those listed here, though the set includes a whopping 270 pieces, as well as a large variety of connector types.

Best Wire Connectors to buy in 2018? [Reviews and Comparison]
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