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EEVblog #1052 - BEWARE Crap Banana Plugs!

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Dr. Frank:
These multi contact plugs - LS 4 - are really high grade.
Got them on stock and in use  for > 25 years, practically no wear-off of the gold plating, of course also no corrosion.
I measured 0.02 ohm for a 50cm mc cable. They also have low thermal voltage.
You get what you pay for.

These slits in these plugs  might pose some problems nowadays on DMMs, if they have a switch detector in their jacks.
Therefore, MC obviously prefers round, slotted plugs nowadays.

Frank

sleemanj:
I have encountered similar problems in the past

https://www.eevblog.com/forum/reviews/loosey-goosey-banana-plugs/

CDN_Torsten:
I've had a similar problem - ordered a bunch of nickel plated ones.  They had the same intermittent contact as Dave shows in his video.  I didn't want to trash them, so I (very cleanly) soldered the tip-end of the spring.  They are now the best banana jacks I own.  ;D

-T2

Rafael:
Maybe someone can share some "trustable" links of good banana plugs!  :)

EEVblog:

--- Quote from: Rafael on January 20, 2018, 11:21:50 pm ---Maybe someone can share some "trustable" links of good banana plugs!  :)

--- End quote ---

Any of the brands from Digikey. Pomona is kinda the industry reference standard.
https://www.digikey.com/products/en/connectors-interconnects/banana-and-tip-connectors-jacks-plugs/302?k=banana+plug&k=&pkeyword=banana+plug&pv183=1029&FV=ffe0012e&mnonly=0&ColumnSort=0&page=1&quantity=0&ptm=0&fid=0&pageSize=25

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