Electronics > Beginners

My purchase list for my new lab -- budget $1000+, thoughts?

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nanofrog:

--- Quote from: AnyNameWillDo on July 30, 2018, 07:25:53 pm ---I think I remember seeing something like that here:

https://www.amazon.com/Titan-Tools-11477-Ratcheting-Terminal/dp/B0069TRKJ0/

Had a red/yellow/blue color marking in the jaws. Not sure yet what the differences are. Is this an example of such a crimper?

--- End quote ---
Yes, that's one example.

Even with that one, you could run into issues due to incorrect adjustment and not able to bring them into spec. QC varies quite a bit.

I use a Panduit CT-1550 (rebranded Wezag CK 100 with a custom die). I've also a Pressmaster MCT (uses interchangeable dies*) that will do these types of terminals as well.  In my case, I'm well down this particular rabbit hole.

* Requires more skill in terminal and wire placement as there are no locators.

AnyNameWillDo:
nanofrog: Jesus these get expensive... why ;-;

ez24: Do the minigrabbers support a fair amount of current even compared to alligator clips? On the data sheets it suggests 5A continuous, despite the mini-grabber being so tiny. Does that seem to hold true to experience? I can't tell if the 5A rating is more the wire, or the metal on the plugs, etc. I would assume the rating would be set to the minimum of all components involved in a particular product.

rstofer:

--- Quote from: AnyNameWillDo on July 30, 2018, 07:25:53 pm ---Had a red/yellow/blue color marking in the jaws. Not sure yet what the differences are. Is this an example of such a crimper?

--- End quote ---

The colors will match the insulation of the appropriate terminal.  Red terminal - red die.  The difference colors are used to designate the appropriate wire gauge.  Yellow is for big wire - like #12 AWG but you'll have to look up the rest.  It will be marked on the box.

Quality crimpers will produce a joint that can support 25#.

AnyNameWillDo:

--- Quote from: rstofer on July 30, 2018, 08:05:07 pm ---The colors will match the insulation of the appropriate terminal.  Red terminal - red die.  The difference colors are used to designate the appropriate wire gauge.  Yellow is for big wire - like #12 AWG but you'll have to look up the rest.  It will be marked on the box.

Quality crimpers will produce a joint that can support 25#.

--- End quote ---

From what I'm seeing on a few random websites:

YELLOW 12-10 AWG
BLUE 16-14 AWG
RED 22-16 AWG

I guess 13 AWG gets left out cold. :(

It would appear that for the most part we'd likely be dealing with red terminals.

Edit: Looks like the colors start cycling a bit: https://en.wikipedia.org/wiki/Crimp_(electrical)#Wire_gauge_insulation_colors

ez24:

--- Quote from: AnyNameWillDo on July 30, 2018, 08:02:11 pm ---ez24: Do the minigrabbers support a fair amount of current even compared to alligator clips? On the data sheets it suggests 5A continuous, despite the mini-grabber being so tiny. Does that seem to hold true to experience? I can't tell if the 5A rating is more the wire, or the metal on the plugs, etc. I would assume the rating would be set to the minimum of all components involved in a particular product.

--- End quote ---

I have no problems at 5a with mine  but I made up my own leads using good grabbers from Aliexpress (cannot find them now).  Look at this rating, 10a

https://www.ebay.com/itm/Silicone-Test-Leads-with-Sprung-Hooks-and-Female-Banana-Connectors-1-Pair/200906287163?hash=item2ec6f2a83b:g:nCsAAMXQq8BQ5cSg

It would be interesting to know if they can do 10a

These might be what I used  -->

https://www.ebay.com/itm/Copper-Sprung-Hook-Mini-Grabber-Hook-Gripper-Test-Probe-5-Colours/171002587855?hash=item27d08c6acf:m:mNh93a8eMPII-FnWWBJx-lw&var=470238327263

I ordered 6 sets of these to make some more leads, I want to throw away my cheap leads

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