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 Post subject: Good quality alligator clips
PostPosted: Feb Wed 13, 2019 9:57 am 
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Location: Chicago IL
Does anyone have a source for good quality alligator clips with an insulated covering that doesn't slip every time you try to open the clip?

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 Post subject: Re: Good quality alligator clips
PostPosted: Feb Wed 13, 2019 10:11 am 
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Location: Albuquerque, NM 87123
Your frustration is undoubtedly with the Chinese variety of alligator clip that has a dubiously functional silicone insulated sleeve. Not the best of choices for an insulator, as you have discovered.

You might try looking on eBay for genuine Mueller clips with original sleeves; or, you can try dipping the Asian sleeves in alcohol or acetone and let them dry.


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 Post subject: Re: Good quality alligator clips
PostPosted: Feb Wed 13, 2019 10:36 am 
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Location: Haledon, NJ, usa
Yeah.... most are cheap crap that the ends aren't even soldered... some are but most not.

Har to find REAL high quality soft rubber flexible type like in the 50-60s

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 Post subject: Re: Good quality alligator clips
PostPosted: Feb Wed 13, 2019 10:51 am 
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Location: Chicago IL
My first set of clips were purchased from radio shack about 15 years ago and those were still good stuff. I wonder where they sourced theirs.

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 Post subject: Re: Good quality alligator clips
PostPosted: Feb Wed 13, 2019 12:39 pm 
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Joined: Jan Tue 31, 2012 1:55 am
Posts: 7312
Location: Mountains of Mourne. Ireland.
Mueller Electric Co.
18.0" (457.20mm) Alligator Clip, Insulated To Alligator Clip, Insulated Test Lead 300V Multiple Colors.
Ten leads $7.00
Image
https://www.digikey.com/product-detail/ ... -ND/304405

Five (same PVC) 12" for a fiver!

Digikey search results - Pomona + Mueller (test leads).
https://www.digikey.com/products/en/tes ... ageSize=25

------------

Mueller. Roll-your-own. Lol
https://muellerelectric.com/product-cat ... nsulators/


Greg.

Edit: Mueller threaded barrels...
viewtopic.php?p=2924606#p2924606


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 Post subject: Re: Good quality alligator clips
PostPosted: Feb Wed 13, 2019 2:49 pm 
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Location: Fernandina Beach, FL
I ONLY use Mueller copper clips, no steel. They don't seem to make zinc plated copper. Maybe they never did?

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 Post subject: Re: Good quality alligator clips
PostPosted: Feb Wed 13, 2019 3:53 pm 
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Location: Montvale NJ, 07645
I have plenty of older jumpers that are in decent condition, but they are terrible at making a decent connection. Some look plated and others appear to be stainless steel. I am in the market for some high quality new jumpers.


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 Post subject: Re: Good quality alligator clips
PostPosted: Feb Wed 13, 2019 4:47 pm 
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Joined: Aug Fri 12, 2016 1:49 am
Posts: 708
Location: Houston, TX
Do you mean slips out of your grip or the gator slips out of its insulation?

I find the cheapo ones slip out of their own insulation, particularly the smaller ones, and I often have to push it back on after I get the gator clipped, particularly in tight spots where the insulation needs to be right up to the tip.

My Muellers don't usually do that, or at least not as badly.


Last edited by Vin Tageman on Feb Wed 13, 2019 4:59 pm, edited 2 times in total.

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 Post subject: Re: Good quality alligator clips
PostPosted: Feb Wed 13, 2019 4:49 pm 
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Joined: Aug Fri 12, 2016 1:49 am
Posts: 708
Location: Houston, TX
[quote="egg"]Mueller Electric Co.
18.0" (457.20mm) Alligator Clip, Insulated To Alligator Clip, Insulated Test Lead 300V Multiple Colors.
Ten leads $7.00
Image
https://www.digikey.com/product-detail/ ... -ND/304405

Indistinguishable from the cheap Chinee sets. Looks pretty slippery to me. I wonder if, like everyone else, Mueller has gone bottom dollar and making these things in China at the same factory as the cheapo sets.. selling exactly the same cheapo sets under their label. Mueller used to mold their name into the insulated grip, but I see no evidence of this in that photo or the photos on Mueller's site (including the datasheet pdf). Nor do they say those are made in the USA. In fact, I can't find anywhere on their site where they say their stuff is Made in the USA. They used to proudly advertise that.
https://muellerelectric.com/product-cat ... tl/page/2/


Last edited by Vin Tageman on Feb Wed 13, 2019 5:11 pm, edited 1 time in total.

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 Post subject: Re: Good quality alligator clips
PostPosted: Feb Wed 13, 2019 5:07 pm 
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Location: Littleton, MA
Mueller still makes the good clip leads. They're just ten times the price of the cheapies that they also sell. At least the cheap sets have PVC insulators rather than silicone.

Here's the good ones, about $6 each:
https://muellerelectric.com/product/bu-3030-a-12-0/
https://muellerelectric.com/product/bu-3131-a-12-0/

The cheap ones are about $7 for a set of ten:
https://muellerelectric.com/wp-content/ ... -00287.pdf

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 Post subject: Re: Good quality alligator clips
PostPosted: Feb Wed 13, 2019 6:24 pm 
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Location: Chicago IL
Vin Tageman wrote:
Do you mean slips out of your grip or the gator slips out of its insulation?


Both!

I spoke with a representative through the mueller online chat and they told me that the clip lead set pictured above is not manufactured by them. Most of the alligator clips on their site are stamped mueller on the metal. Might be the same for the boot. I asked about the quality of that set and he said that they have not had complaints. I requested a sample and I am currently waiting to hear back from him but he said they usually only do that for companies.

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 Post subject: Re: Good quality alligator clips
PostPosted: Feb Wed 13, 2019 6:25 pm 
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Joined: Nov Sun 18, 2007 8:26 pm
Posts: 326
Location: Sherman Oaks, Ca. 91411
Mueller still sells individual copper clips and insulated covers. You could cut the imported junk clips off your old wires and install the Muellers. Digikey carries them, as does Mouser.


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 Post subject: Re: Good quality alligator clips
PostPosted: Feb Wed 13, 2019 6:27 pm 
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Location: Chicago IL
Honestly the problem is the wires are the worst part on the cheap ones! Literally about one or two hairs worth of wire inside. I would say it's better to buy the clips and wire and put them together at home. Let's see what they say about that set above though. If they back it up I wanna think that theyre at least a little better than the more common ones. I'm thinking the ones I bought at radio shack that i liked were also PVC. As long as they don't slip I'm happy.

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 Post subject: Re: Good quality alligator clips
PostPosted: Feb Wed 13, 2019 6:31 pm 
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Location: Poulsbo, WA
If you want highest quality patch cords and probes that are U.S. made go here :

https://probemaster.com/

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 Post subject: Re: Good quality alligator clips
PostPosted: Feb Wed 13, 2019 7:03 pm 
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Location: Sherman Oaks, Ca. 91411
Pomona makes excellent quality clip sets too, but be prepared for sticker shock :shock:.


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 Post subject: Re: Good quality alligator clips
PostPosted: Feb Wed 13, 2019 7:20 pm 
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Location: Ebridge NY, USA
Mine are all at least 30 years old. All Pomona, and slide over a banana and, yes... pricey for new ones.
Nice to be able just pop one on a banana jumper when you need it though.

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 Post subject: Re: Good quality alligator clips
PostPosted: Feb Thu 14, 2019 1:25 am 
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Joined: Feb Sun 17, 2008 11:36 pm
Posts: 1970
Location: Dayton, Ohio
I have the best luck with solid copper alligator clips. I once made a test cable for a Eico 460 O'scope, copper for the "hot" lead and tinned for the ground lead.
When I shorted them together, the trace would shift, due to thermal electric effect, I guess.

Charlie


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 Post subject: Re: Good quality alligator clips
PostPosted: Feb Thu 14, 2019 5:15 am 
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Location: Liberty, Missouri
If you're going to go the "extra mile" and use good clips, you should also use the best wire as well. This is flexible, rubber insulated, 3KV insulated test lead wire.

Image

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 Post subject: Re: Good quality alligator clips
PostPosted: Feb Thu 14, 2019 2:18 pm 
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Joined: Jun Thu 26, 2014 1:28 am
Posts: 109
Location: Marietta, GA (30066)
powerwerx also has excellent 5KV Test Lead wire available in rolls of 25' or so

I have used a ton of it, Pomona also makes Premium Silicone Test lead wire in 25' Lengths - I think Zoro Tools on eBay carries it - this is the nicest test lead wire there is, but it is high.

Mike

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 Post subject: Re: Good quality alligator clips
PostPosted: Feb Thu 14, 2019 5:31 pm 
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Location: Liberty, Missouri
Your description got me curious, and I looked at the store's description/listing/price, where I bought it, and Spectrum's price is $4+ per 100' cheaper than powerex. Then I checked Zoro on the bay, and they were $60 per hundred feet for the same stuff.

I never buy wire in short lengths, it costs considerably more per foot, and even at 100 feet lots its not very cheap. I usually try to buy 500 to 1,000 feet at a time, often finding surplus or close outs. If you are making cables, you need several different gauges and often quite a few feet of each.

I ordered another 50 Meuller(?) BU-60 clips from Digikey, along with red and black boots. Went looking for some, and I'm out!!

From Allspectrum.com;

Test Lead Wire, EPDM Rubber, 18AWG, MIL-W-13169, BLACK, 100ft spool
Model # CONWIRE-1007-0
Manufacturer Model # 1007-0 $28.99
Test Lead Wire, EPDM Rubber, 18AWG, MIL-W-13169, BLACK, 100ft spool
Click to enlarge
Availability
Stock: 3

Test Lead Wire, EPDM Rubber, 18AWG, BLACK, 100ft spool.

Color: Black
MIL-W-13169
Insulation thickness: 0.045"
NOM O.D.: 0.140"
Working voltage: 5,000
Breakdown voltage: 20,000

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