Search:

Type: Posts; User: kwired

Page 1 of 8 1 2 3 4

Search: Search took 0.31 seconds; generated 35 minute(s) ago.

  1. Replies
    3$$
    Views
    64

    Are you asking about voltage on a floating wye...

    Are you asking about voltage on a floating wye point of the primary winding?

    "Floating ground"? If it is grounded it has a ground reference, "floating" usually means there is no ground reference....
  2. Replies
    24$$
    Views
    1,058

    Since you are renting/leasing space your usage of...

    Since you are renting/leasing space your usage of the space may not be what it was originally designed for. Possible you don't need as large of a transformer - food for thought.
  3. If those kids or elderly parents aren't capable...

    If those kids or elderly parents aren't capable of doing the right thing if a smoke alarm goes off, they shouldn't be home without someone present that does know what to do. If there is a fire they...
  4. OP is talking about autotransformers. I think he...

    OP is talking about autotransformers. I think he only needs to comply with 450.4 - which usually isn't hard to do if the unit is sized per the load as the overcurrent protection for the supply...
  5. Single family dwellings - there is no such...

    Single family dwellings - there is no such requirements for the most part. Simple smoke alarms are about all that is required for fire and I wouldn't call it fire protection just an alert system for...
  6. Thread: Service Head

    by kwired
    Replies
    17$$
    Views
    431

    Even without the window issue, might need to go...

    Even without the window issue, might need to go through roof anyway if there isn't enough clearance above grade.

    Underground service is another option.
  7. Thread: Service Head

    by kwired
    Replies
    17$$
    Views
    431

    NEC doesn't mention windows it mentions building...

    NEC doesn't mention windows it mentions building openings. If the upper portion isn't operable the only opening is the lower portion. A window that doesn't open at all doesn't have any clearance...
  8. Replies
    24$$
    Views
    1,058

    What kind of loading do you anticipate having on...

    What kind of loading do you anticipate having on this transformer? If you plan to be in an idle state quite often then it may be more worth changing to more efficient unit than if you do intend to be...
  9. Done things like that in a pinch as well or in...

    Done things like that in a pinch as well or in situations where HOA switch is already there but simple ON/OFF is all that is needed.
  10. House on fire when no one is there isn't a life...

    House on fire when no one is there isn't a life or death situation either.

    If you have a system of any sort that notifies you of trouble, you can call someone else, maybe a neighbor and ask them...
  11. We had devices that could do this before smart...

    We had devices that could do this before smart phones.

    Sensaphone - basic unit calls 4 different numbers. keeps calling until someone enters an acknowledgement code.
  12. Replies
    31$$
    Views
    1,431

    Thing I run into is there isn't any "home...

    Thing I run into is there isn't any "home inspectors" out here where I live. Realtors sometimes call me asking for an electrical inspection on a home they are involved with. My guess most the time is...
  13. Thread: Rigid Coupling

    by kwired
    Replies
    6$$
    Views
    465

    :roll: Threaded couplings aren't "raintight",...

    :roll:

    Threaded couplings aren't "raintight", but let's not give manufacturers more stupid ideas to turn into listing/code issues.
  14. Replies
    17$$
    Views
    693

    I was presuming he had that figured out, but yes...

    I was presuming he had that figured out, but yes if the 43 amps is the rating at 240 volts then it will draw less on 208.

    43 amps either way is larger than typical household storage tank type...
  15. Replies
    6$$
    Views
    424

    I agree, most cases are going to use a control...

    I agree, most cases are going to use a control panel that already has things needed built into it, all you do is run incoming/outgoing power leads a switch loop for E-stop(s) and with most modern...
  16. Replies
    7$$
    Views
    446

    Why wouldn't the E-stop be part of the control...

    Why wouldn't the E-stop be part of the control circuit that controls all the pumps?

    Even if using shunt trip breakers it is pretty likely to power the shunt trip circuit from that same control...
  17. Replies
    17$$
    Views
    693

    That is pretty much what you do need to run....

    That is pretty much what you do need to run. Minimum conductor ampacity needs to be 125% of rated load - this means you nedd 53.75 amp conductor. @ 75C #8 is only good for 50A

    Overcurrent...
  18. Sounds like a waste of materials to me. ...

    Sounds like a waste of materials to me.

    Jumpering the automatic side of HOA turns it into Hand Off Hand. May as well just had On-Off to start with. Is also useless if there is manual motor...
  19. Replies
    31$$
    Views
    974

    "Service point" is a fairly new definition to...

    "Service point" is a fairly new definition to help clarify some of what has been brought up here.

    Utility can still require you install certain items according to their specifications even though...
  20. Replies
    31$$
    Views
    1,431

    Not going to dig into it right now, best guess is...

    Not going to dig into it right now, best guess is 2005 or 2008.
  21. Replies
    32$$
    Views
    1,407

    For illumination of stairways over 6 risers. ...

    For illumination of stairways over 6 risers.

    The mentioned bedroom lighting outlet - bedroom can be on third floor, needs a wall switch but code doesn't say where. A single switch three floors...
  22. Replies
    31$$
    Views
    974

    It says nothing about ownership, it says "under...

    It says nothing about ownership, it says "under the exclusive control of..". Does not matter who actually purchased the item, but rather who has control of it.

    Pretty common for POCO's in many...
  23. Replies
    31$$
    Views
    1,431

    Well a HI doesn't really need to back anything...

    Well a HI doesn't really need to back anything up, his job is to write a report of things that may need attention, and owner or purchaser needs to go to an expert to get further information about how...
  24. Replies
    31$$
    Views
    974

    Somewhat common here on a 200A or smaller 480...

    Somewhat common here on a 200A or smaller 480 volt service as well, aside from rural services. POCO's feel potential incident energy is too high to risk their technicians pulling/installing meters...
  25. Replies
    31$$
    Views
    1,431

    IIRC most if not all panels had instructions that...

    IIRC most if not all panels had instructions that typical branch neutral terminals were for one "neutral" conductor per lug but were often rated for more than one conductor for grounding conductors....
Results 1 to 25 of 200
Page 1 of 8 1 2 3 4