Question about Heating & Cooling

1 Answer

Clean corrosion from aluminum buss bar in circuit breaker panal

Posted by on


1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    Top Expert:

    An expert who has finished #1 on the weekly Top 10 Fixya Experts Leaderboard.


    An expert that got 20 achievements.


    An expert that got 10 achievements.

  • Heating & Co... Master
  • 79,865 Answers

  • Remove the crystals and gray discoloration with fine (300 grit) wet/dry sandpaper dipped in mineral spirits. Don't try to polish the aluminum; simply rub it until it's bright again. Wipe down the metal with a clean rag and some mineral spirits to remove grime and debris left from the sandpaper. Allow the aluminum to dry. Apply a thin coating of a special grease that is made for aluminum wiring and conductors to prevent further corrosion. Apply this grease at least once a year thereafter. The anto-corrosion grease is called NO-OX and is especially made to prevent corrosion on any type of Aluminum conductor of electricity This NO-OX grease is available from any hardware store in a tube in the electrical section.
  • Posted on Mar 27, 2011

    • yadayada
      yadayada Mar 27, 2011

      And of course NEVER WORK on a live panel, shut the power off.



    1 Suggested Answer

    • 2 Answers

    SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

    Hi there,
    Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

    Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

    Here's a link to this great service

    Good luck!

    Posted on Jan 02, 2017


    Add Your Answer

    Uploading: 0%


    Complete. Click "Add" to insert your video. Add



    Related Questions:

    1 Answer

    Why are these breakers hot and constantly draw .35 amps from the ground bar?

    When current is going through wiring and devices it normally operates warm. That is why most wire and devices such as breakers are rated at 70 degrees Celsius. In a panel, heat can be transferred through the buss bar they are connected to.
    Breakers will trip for 2 reasons. Overload amperage and heat.

    Oct 05, 2016 | Eaton ARC FAULT CIRC BREAKER

    1 Answer

    I have a 200 amp homeline loadcenter with factory installed breaker the code inspector is telling me that it has to have a bonding screw however there is no tapped hole for a bonding screw. I read that...

    For the neutral buss bar, a bonding screw goes through the buss bar into the box. Same for the ground buss bar. Usually, neutral does not meet ground until the meter, so there may only be a bonding screw for the ground buss bar. Look carefully, check with electricians.

    Nov 21, 2013 | Your One Source Homeline Load Center, 200...

    1 Answer

    Why are the ground screws on my breaker panel buss bar rusted?

    Something inside the panel is getting warm, and when it cools there is condensation.
    Do a general stress test on breaker box.

    Sep 02, 2012 | Electrical Supplies

    1 Answer

    100 amp service. 2 breakers connected together 50 amp each. power was shut off. Had to shut off main before ir was turned back on. when power was restored, breaker would not stay on unless it was done real...

    this you would need a meter to tell were the problem is you need to put the meter one on the netrual and one on the main to get a reading then keep doing this for all your breakers , one way to tell if a breaker is bad take it off the main panal put the meter to the screw and copper and see if your getting connuty to it good luck

    Jul 29, 2011 | Your One Source 100 Amp Main Breaker

    1 Answer

    How do you remove old breaker for replacement.

    If you have a main breaker turn it off. If your installation does not have a main breaker, I would not attempt to remove breaker if you do not have the experience.. With electric off, remove cover. Locate the breaker you wish to remove. Grasp breaker and pull the center out and to the side. It will disconnect from the buss bar and when it is out far enough the tab on mounting bracket will disengage. Now the question is why do you want to replace it. If yours is the larger style Challenger breaker (formerly Zinsco) and the breaker is bad, you may have damage to the buss bar where the breaker was removed. If this is the case then this position is not usable any more, and if needed the panel will have to be replaced. If it is the style in the picture here with your question, then you may be ok. If you're trying to remove a 1" breaker and install twins or 1/2 size breakers to get more circuit spaces, be aware these only fit in spaces designed for them. You can tell by looking at the legend on the panel cover. The spaces that will take these will have a dotted line indicating it can be divided in two.

    Oct 17, 2010 | Challenger 30 Amp 2 Pole A230 A Circuit...

    1 Answer

    I have 60 amp circuit breaker on my electrical a/c heater with a 45 amp fuse. I had the unit for 7 years with no problem. This month the 60 amp circuit breaker keeps tripping when the heater goes off. The...

    You're unit is a 31/2 ton according to the numbers.Normally, breakers will only be in a half way posistion when tripped. Yes, under most conditions, the fuse will blow before the breaker trips. I have seen this many times, the breaker may be weak, burned, loose wires and so tighten wires, check the condition of the breaker.It sounds like the breaker even though it is 60 amps, is the problem and you should replace it with out hesitating. This will solve you're problem. When you pull the breaker out, look at the metal clips that snap in on the buss bar to see if they have been overheating.And the buss bar its self. You will know. I am sure this will take care of you're problem. Good Luck,

    Dec 07, 2009 | Goodman CKL42AR42 Air Conditioner

    1 Answer

    My main power disconnect to my wash room in stuck on the ''on'' position. How do I get it to the off position?

    The insides of the breaker are probably corroded or rusted together. There is a good chance that even if you get the lever to the off position that power may still travel through it. You will need to replace the breaker. Also, when doing that, be sure to turn off the "Main disconnect" for the panel because whatever caused the corrosion on the inside of the circuit breaker could also have caused corrosion between the circuit breaker and the bussing to make it hard to remove.

    Oct 25, 2009 | Electrical Supplies

    1 Answer

    Wiring diagram for siemans GF120GF breaker

    What are you doing???

    Are you installing a 220 V GFI breaker in your main or sub panel?

    Judging by the picture, you have a breaker that wants to have a direct connection to the ground buss. Have you tried that?

    I have some experience with a similar CH breaker. I installed the breaker, hooked the two wires representing the line to the breaker, put the white to the neutral buss bar and everything was cool.

    Let me know what happens


    Sep 21, 2009 | Siemens #MP120GF 20A SP GFI Breaker

    Not finding what you are looking for?
    Heating & Cooling Logo

    Related Topics:

    49 people viewed this question

    Ask a Question

    Usually answered in minutes!

    Top Heating & Cooling Experts

    Paul Carew

    Level 3 Expert

    3286 Answers

    Dan Webster
    Dan Webster

    Level 3 Expert

    8220 Answers

    Tim Whalen

    Level 3 Expert

    3074 Answers

    Are you a Heating and Cooling Expert? Answer questions, earn points and help others

    Answer questions

    Manuals & User Guides