Southwire Cable Tester,RJ45/Coax Connector Type 58745040
Southwire Cable Tester,RJ45/Coax Connector Type 58745040
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Southwire Cable Tester,RJ45/Coax Connector Type 58745040

Key item features

  • RUGGED data/video cable tester perfect for any electrician to quickly detect wiring faults in network and coax cables
  • TEST patch cables or installed cables, shielded, unshielded twisted pair, and coax
  • IDENTIFIES correct wiring, opens, shorts, reversals, miswires split pairs, and shielded cables
  • INCLUDES data/video cable tester, 2 AAA batteries and adapter cables
  • 2 YEAR WARRANTY
Current price is $55.46
Price when purchased online
  • Free shipping
  • Free 30-day returns

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Ships to
Arrives between Jun 24 - Jun 26
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Sold and shipped by COZZY SHOPPING INC
3.852941176470588 stars out of 5, based on 34 seller reviews(3.9)
Free 30-day returns
Other sellers
$71.71
+Free shipping
Shipping, arrives by Wed, Jun 24 to Columbus, 43215
Sold and shipped by SIM Supply Inc
Free 30-day returns

About this item

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Customer ratings & reviews

4.8 out of 5 stars
stars31 ratings31 reviews
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Showing 1-3 of 31 reviews

Aug 29, 2016
BDB3063
5 out of 5 stars review

Seller Verified Purchase

Easy to use

I bought this to replace another tester that was acting up. No frills, but easy to use and works fine. My son borrowed it to run cat5 in his house. He was able to quickly find a couple of ends that he had misfired.

Review from southwiretools.com
Helpful?1E04ULKXYFDS142877157
Jun 26, 2025
Geezer
5 out of 5 stars review

Good size and quality

This is the first Southwire tool I've owned and I'm impressed. It feels good in the hand, is solid and seems well built. I own other cable testers (one with an LCD screen) but I like the LEDs better. They seem quicker and more efficient (for what I do anyhow). Four green lights and your good to go. I've used another brand (two small "boxes") for years. I like them, but I'm always fishing in my bag for either the remote or the main tester. I like that the M550 has the remote inserted in the main unit. I also like that that this tester will allow me to test coax cables as well, even though is a feature I won't use much. And I like the quality of the included patch cables and adapters. I'm very happy with the purchase. Note to those who may have trouble with pulling out the remote. I'm older with dry hands so I can understand that this can be an issue. What I've found is that, by turning the M550 over so that you grip the round "indentation" with your thumb and the front "ledge" with your index finger, you can get a stronger hold on the remote and it comes out easier. At least it works well for me. I would definitely recommend this tester to others.

Review from southwiretools.com
Helpful?1E04ULKXYFDS142877157
Aug 18, 2016
Macgyver001
5 out of 5 stars review

Seller Verified Purchase

Excellent product

Needed an affordable testing/tracing solution. This product fit the bill and exceeded expectations.

Review from southwiretools.com
Helpful?1E04ULKXYFDS142877157