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  1. Replies
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    Once more: open forum, indexed by search engines....

    Once more: open forum, indexed by search engines. Nope.

    We don't know if he is using the literature as intended, because we don't know what it says. Nope.

    We don't know if the install will be...
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    The only relply to a non pro would be to get an...

    The only relply to a non pro would be to get an electricain in there. Otherwise, the site is at legal risk, with very little potential reward.
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    I have to disagree, as one tech to another. ...

    I have to disagree, as one tech to another.

    The right place for in-depth electrical guidance that is indexed by search engines by is not an open forum. That's number one.

    He needed to (yet, did...
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    I liked her Bajoran nose wrinkles....

    I liked her Bajoran nose wrinkles....
  5. Knowing that a sealed reciprocating compressor...

    Knowing that a sealed reciprocating compressor will pump in either direction of rotation, I have never paid any attention to making sure that it rotates in the same direction as the previous unit,...
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    But, will you use a picture of the security...

    But, will you use a picture of the security officer from Deep Space Nine?
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    Actually, there are far better reasons to not...

    Actually, there are far better reasons to not call it a capacitor.

    I will be happy to discuss them in the Pro residential forum, if you like.
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    "Phase" is the term used to describe the relative...

    "Phase" is the term used to describe the relative timing between two or more designated values, in this case, voltage and current.

    So yes, a capacitor used in this way does shift the phase, from...
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    If you are going to be taking over the family...

    If you are going to be taking over the family business, I would get the mechanical engineering degree if I were in your shoes.
  10. Replies
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    Specifically, NEC 424.19 is the guide for...

    Specifically, NEC 424.19 is the guide for disconnecting means of fixed electric space heating equipment, and that means an air handler with strip heat.

    422.34 is referenced.
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    I would not put phase shifter on the invoice. I...

    I would not put phase shifter on the invoice. I would use a company code number.
  12. Most residential condensing units are going to be...

    Most residential condensing units are going to be a nominal 240 volts. Most furnaces and air handlers are 120 volts.

    It is rare for receptacles and disconnects to be located in split system...
  13. I think we have a couple of different balls in...

    I think we have a couple of different balls in the air here, and I did not adequately identify them for you.

    The 36 inches of working clearance not only has to do with the disconnect or the...
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    When someone does come to check those capacitors,...

    When someone does come to check those capacitors, bear in mind that although the parts may not be terribly expensive themselves, the service visit to your home includes insurance for that vehicle and...
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    I think the level of confusion being shared...

    I think the level of confusion being shared suggests that a "nameplate" value could be the FLA and not the MCA.

    Just not enough info given, in the wrong place, for a technical discussion that can...
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    I'm sure the un-read instructions made clear that...

    I'm sure the un-read instructions made clear that the breaker in the unit is actually a disconnect. My bet is the same instructions specified an MCA value and an MOCPD value.
  17. Replies
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    If this man is the ONLY one at his company to...

    If this man is the ONLY one at his company to make such a hookup, his problems are much bigger than a waiting period for Pro status.
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    He would indeed get those replies, when the reply...

    He would indeed get those replies, when the reply he SHOULD get is, "you need to call an electrician or other electrical experienced tradesman to protect you and your family."

    Yes, both are the...
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    Poll: Good morning, Bret and everyone!

    Good morning, Bret and everyone!
  20. Replies
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    It always bothers me when these questions happen...

    It always bothers me when these questions happen in open forums. IMHO, none of these should happen like this. If someone needs this level of help, it should happen in the closed forum areas of the...
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    The brain, when working according to code, will...

    The brain, when working according to code, will take the max current draw (FLA) and multiply it by 1.25 to get the selection current for conductors and overcurrent devices.

    Did the OP take his...
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    No problem. In the world of electrons, "balanced"...

    No problem. In the world of electrons, "balanced" has specific meanings, particularly in signal level environments.
  23. Replies
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    Being that the NEC is a Standards Organization,...

    Being that the NEC is a Standards Organization, it has no regulatory power until a local municipality or other authority adopts its standards, or its standards are used as a basis for another...
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    To put this back into perspective of the thread:...

    To put this back into perspective of the thread:

    The things people see on YouTube that involve HVAC do not communicate our trade as being made up of knowledgeable professionals.

    Indeed,...
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    One more note. The NEC says that central...

    One more note.

    The NEC says that central heating such as electric strip heat is treated as a continuous load, so whatever the actual amp draw of the strips turns out to be, it must be multiplied...
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    I can help you with this, but not until you put...

    I can help you with this, but not until you put this in the pro section.

    This area is indexed by Google, and while you might be a pro, the thread can be found and viewed by thousands of others who...
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    Tutco technical service can tell you what the...

    Tutco technical service can tell you what the maximum air entering temperature for those duct heaters would be.
  28. In carrier units like the one being discussed,...

    In carrier units like the one being discussed, there are different styles of mixed air sensors, and they typically mount on the fan housing.

    In fact, one style looks like a wire going into a ring...
  29. A ground rod at a sub panel is no longer code....

    A ground rod at a sub panel is no longer code. The system grounding electrode (the rod, in this case) and the electrode conductor are to be installed at the main.

    The Sub panel needs to have a...
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    Poll: Good morning, Bret and everyone!

    Good morning, Bret and everyone!
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    The potential relay is not able to distinguish...

    The potential relay is not able to distinguish back EMF from front EMF.

    It responds to the voltage it sees across the start winding, which varies with rotor speed.

    The other type of start relay...
  32. Replies
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    Here is how I see that point. The internet in...

    Here is how I see that point.

    The internet in general, and YouTube in particular, has gone beyond moving the scales to the middle, because it creates a false sense of safety, authenticity, and...
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    I don't think it has hurt our business. I...

    I don't think it has hurt our business.

    I think it has hurt people with no one to tell them different.
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    I agree. They didn't call it the National...

    I agree.

    They didn't call it the National Socialist Party for nothing.
  35. Replies
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    I used to be amazed at the way the European...

    I used to be amazed at the way the European countries buy into all this nonsense, but now I'm not so amazed anymore.
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    Poll: Few things are more fun than a compressor...

    Few things are more fun than a compressor changeout on a rainy PVC roof.
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    Both are a part of life my friend, and very...

    Both are a part of life my friend, and very important to the working man.
  38. Replies
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    Poll: Good morning, Bret and everyone!

    Good morning, Bret and everyone!
  39. Replies
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    Okay, so each phase to phase voltage was equal....

    Okay, so each phase to phase voltage was equal. That IS unusual, yes, but not impossible. Just improbable.

    IMHO, the clattering after shutdown suggests a mechanical failure inside. If you cut it...
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    If you disconnected power to the motor and you...

    If you disconnected power to the motor and you were able to reset the unit, that is your answer.
  41. Replies
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    .....another thread rises from the dead!!!! ...

    .....another thread rises from the dead!!!!

    Unless you have something truly new to add to an old thread, the better idea is to start a new thread of your own.

    Adding something truly new is...
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    Good try. I'm not buying it.

    Good try. I'm not buying it.
  43. Replies
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    I am a lot older than Starbucks that's for sure.

    I am a lot older than Starbucks that's for sure.
  44. A cap that is open or shorted can cause the unit...

    A cap that is open or shorted can cause the unit to fail to start.

    Most often, it's when the cap is open at the top. The capacitor has a "dome," because of the distention of the can from the oil...
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    I still want to know what "balanced 209 volts"...

    I still want to know what "balanced 209 volts" are...
  46. Replies
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    First, I think you are very smart guy to have...

    First, I think you are very smart guy to have these concerns, because I believe that they are 100% justified.

    It is a no man's land between technician and engineer. Right now, the industry is in...
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    Poll: Good morning, Bret and everyone!

    Good morning, Bret and everyone!
  48. Replies
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    1,253,431

    Poll: Flir E4.

    Flir E4.
  49. Replies
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    And it sounds like a shorted or grounded...

    And it sounds like a shorted or grounded winding(s).
  50. Replies
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    I'm curious what is meant by "balanced" 209 volts?

    I'm curious what is meant by "balanced" 209 volts?
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