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OCM - 3 Wire Retractable ... has been added to your Cart

OCM - 3 Wire Retractable Test Leads - 18 Gauge Electrical Copper Wire, Alligator Clips, Impact Resistant CASE

4.6 out of 5 stars 394 ratings

$37.99
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Brand OCM
Power source Corded Electric
Item weight 6 Ounces
Item dimensions L x W x H 15.2 x 2.5 x 15.2 centimetres

About this item

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  • TEST LEAD - Used for testing Electrical Wiring Circuits in Cars, Trailers, Boats, and more
  • 3 WIRE TEST LEADS X 10 Ft LONG - Retractable Wire Test Leads Pull Out and Stay at Desired Length
  • RETRACTABLE - Rewind Into its own Impact Resistant Case when not in use
  • ELECTRICAL TEST LEADS are 18 GAUGE WIRES - With Insulated Alligator Clip to Secure Leads in Position
  • LEAD WIRES COLOR CODED - Allows Electricians Easy Identification when Testing Multiple Circuits Specifications

Buy it with

  • OCM - 3 Wire Retractable Test Leads - 18 Gauge Electrical Copper Wire, Alligator Clips, Impact Resistant CASE
  • +
  • General Technologies Corp GTC063 GTC06X Fuse Socket Connector Kit, 1 Pack
  • +
  • Goupchn Back Probe Kit 20PCS Banana Plug to Copper Alligator Clip Automotive Test Leads Set with 3 Configurations Back Probe
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Product description

OCM BRAND Quality Retractable Electrical Test Leads - 3 Leads x 10' length is used for testing electrical circuits in automotive applications, autos, trailers, boats, construction and more. The retractable wire test leads pull out and stay at desired length and rewind into its own impact resistant protective case when not in use. These leads feature 18 gauge copper wire with insulated alligator clips, and features different color coded wires for easy identification. Ideal gift for electrician tool kit set.

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4.6 out of 5 stars
4.6 out of 5
394 global ratings

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scooter
5.0 out of 5 stars REALLY GREAT VALUE FOR THE MONEY
Reviewed in the United States on 20 September 2020
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Amazon Customer
5.0 out of 5 stars Wires are definitely 18 gauge copper (or possibly even thicker)
Reviewed in the United States on 24 February 2021
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Amazon Customer
5.0 out of 5 stars Wires are definitely 18 gauge copper (or possibly even thicker)
Reviewed in the United States on 24 February 2021
Arrived with some of the wires tangled inside, so it took about 5-10 min to work at them gently and untangle. After that I was able to wind and unwind many times without any problem. You may want to remove the rivet that holds it together and install a bolt so you can access the inside if they ever get twisted again. I guess -1 star for that.

For my application I don't need three wires, but I needed to make sure these really are 18 gauge. I removed the green wire, cut it open, and measured the copper with a very accurate caliper. The wires are indeed fully copper and are actually even thicker than 18 gauge, which is better in every way. +1 star for being a quality product that is exactly what they advertised. Maybe +1 more star for being even thicker than 18 gauge?

To the person who gave a one-star rating after they tried to "give some power to a motorcycle battery" in an "18v environment" and found "overheating within just a couple seconds"... Seriously?? It's about Amps not voltage. A motorcycle battery is capable of delivering 300 Amps. Even 'dead', it would still be able to source or sink way more than the 4-8 Amps that an 18gauge wire can handle. Take a look at any legitimate car charger and you'll see that have wires that are way thicker than 18 gauge. Car chargers with 'thin' wires, like the ones that go from cigarette lighter to lighter, will limit the amount of current so they don't fry their wires. I'm guessing you connected two batteries directly together and overheated the wires immediately due to too much current. In any event, you obviously pumped more than 8 amps through the wire. Do some homework before giving a seller a one-star rating!

These are perfect test leads for may uses, including automotive. Just be sure to keep in mind the current limit for 18 gauge wire. Diameter of the wire with insulation is .1" or 2.54mm without pressing down on the calipers (to avoid deforming the wire). Diameter of copper inside is about .05" or 1.27mm, making this more like a 16 gauge wire. Thickness of insulation would then be about .025" (.025+.05+.025=.1").

Final note... When I cut the wire open longitudinally and measured the thickness of the insulation, I found it to be .03", which would actually imply a wire diameter of .04" (.03+.04+.03=.1") so maybe it really is exactly 18 gauge and my caliper might have been showing higher due to the twisting I had to do to the wire in order to measure it. In any event, it's definitely at least 18 gauge as advertised.

Good Luck!
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Max P
1.0 out of 5 stars Insufficient for automotive applications
Reviewed in the United States on 25 November 2020
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Thom17043
5.0 out of 5 stars Great test leads!
Reviewed in the United States on 28 January 2020
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Zachri S.
3.0 out of 5 stars Retractable spool broke first day. Wires and clips are good.
Reviewed in the United States on 8 September 2020
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