Return to the Electrical Wiring Forum | Post a Follow-Up


Posted by bus_driver (My Page) on
Thu, Sep 23, 10 at 19:32

I use anti-oxidant on aluminum conductors- no exceptions. Today I observed an electrician using aluminum conductors 1/0 and larger and he was not using anti-oxidant at all. What are the thoughts of the experienced ones here?

Follow-Up Postings:

RE: anti-oxidant

It is NOT code required, but I always use it. I coat the screw threads of AL terminations and lugs as well.

RE: anti-oxidant

I too always use it regardless of size.

RE: anti-oxidant

"It is NOT code required, but I always use it."

I have not checked the listings in a long time, but at least at one point the listing required anti-ox on stranded aluminum for a couple wire types.

You have to obey the listing.

RE: anti-oxidant

A quick look in the White Book under Thermoset-insulated wire (ZKST) and Thermoplastic-insulated wire (ZLGR) does not show any requirement for using anti-oxidant on the terminations. Any manufacturer supplied instructions requiring the use of anti-oxidant would be in the form of a tag attached to the reel which you would never see unless you bought the whole reel.

Even if there is no requirement for anti-oxidant, my experience is that connections made without the inhibitor are more likely to fail than connections made with it. For the 2₡ or less that it costs per termination, I can think of no good reason to forego its use.

RE: anti-oxidant

Many of the crimp type connectors already have 'goop'
in them when you buy them.

 o Post a Follow-Up

Please Note: Only registered members are able to post messages to this forum.

    If you are a member, please log in.

    If you aren't yet a member, join now!

Return to the Electrical Wiring Forum

Information about Posting

  • You must be logged in to post a message. Once you are logged in, a posting window will appear at the bottom of the messages. If you are not a member, please register for an account.
  • Please review our Rules of Play before posting.
  • Posting is a two-step process. Once you have composed your message, you will be taken to the preview page. You will then have a chance to review your post, make changes and upload photos.
  • After posting your message, you may need to refresh the forum page in order to see it.
  • Before posting copyrighted material, please read about Copyright and Fair Use.
  • We have a strict no-advertising policy!
  • If you would like to practice posting or uploading photos, please visit our Test forum.
  • If you need assistance, please Contact Us and we will be happy to help.

Learn more about in-text links on this page here