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  1. Replies
    5$$
    Views
    746

    You say more cost effective. How do you know? ...

    You say more cost effective. How do you know? Is there a place, book, link etc you guys can look up cost of all electrical items?

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  2. 15 amps next higher rating? Sent from my...

    15 amps next higher rating?

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  3. Branch circuit overcurrent protection size

    I have 120v single phase branch ciruit to duplex receptalce that draws 13 amps. Whar would the branch circuit overcurrent.protection size be?

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  4. Replies
    9$$
    Views
    918

    Maybe its already industry standard being...

    Maybe its already industry standard being overlooked by NEC. Request NEC to put tyoes of ceiling permitted in an electrical room.

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  5. Replies
    9$$
    Views
    918

    Maybe a PI inregards to types of ceiling...

    Maybe a PI inregards to types of ceiling permitted electrical room or who cares about that?

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  6. Replies
    9$$
    Views
    918

    Every electrical I went to only had structural...

    Every electrical I went to only had structural ceiling. Did not see any susoended ceiling.

    The question is the following: in an electrical room is their only structural ceiling? Thats how...
  7. Replies
    4$$
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    606

    Where in code says that? Sent from my SM-G935U...

    Where in code says that?

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  8. Replies
    4$$
    Views
    606

    EGC tap conductors

    I have utility service coming into main breaker sized 2500 amps 120/208v three phase. Load side of the main breaker feeds bus. The bus is tapped with 4#600 kcmil to discoonect less than 10 feet. ...
  9. Replies
    7$$
    Views
    970

    Transformer

    Transformer 75kva 480/277 primary to 120/208V secondary is floor mounted installed next to washer and dryer in dentist office staff room. Is that okay per code?

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  10. Replies
    37$$
    Views
    2,862

    Whats missing from table 210.2 (B)(2) and table...

    Whats missing from table 210.2 (B)(2) and table 210.21 (b)(3) is the plug rating. What if plug rating is added?

    Whats wrong with loads less than 12 amps to be on nema 5-15R and on 15 amps breaker...
  11. Replies
    37$$
    Views
    2,862

    Laudry machine washer draws 10 amps on nema 5-15R...

    Laudry machine washer draws 10 amps on nema 5-15R with 15 amps breaker. Garage receptacle is 15 amps with 15 amps breaker including kitchen. Now the dry has different receptacle configuratuon not...
  12. Replies
    37$$
    Views
    2,862

    They should give reason as to why the receptacle...

    They should give reason as to why the receptacle code would be allowd if Pl is issued besides say it practical no?
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  13. Replies
    37$$
    Views
    2,862

    My house checked every duplex receptacle. Duplex...

    My house checked every duplex receptacle. Duplex Nema 5-15R has 15 amps breaker. Not single one has 20 amps breaker. What about that? Why wasnt 20 amps breaker installed then?

    Sent from my...
  14. Replies
    37$$
    Views
    2,862

    I have no evidence but it is a likelyhood of...

    I have no evidence but it is a likelyhood of happening. It is calculated simple math. Is AHJ going to take that chance?

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  15. Replies
    37$$
    Views
    2,862

    How is the cord and plug nema 5-15p of kitchen...

    How is the cord and plug nema 5-15p of kitchen equipment protected if you install 20 amps breaker and 20 or 15 amp receptacle in commercial kitchen and somehow more than 15 amps but less than 20 amps...
  16. Replies
    37$$
    Views
    2,862

    PI? How? Sent from my SM-G935U using Tapatalk

    PI? How?

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  17. Replies
    9$$
    Views
    918

    I know you cant install it in hallow space or...

    I know you cant install it in hallow space or closed space but electric room they dont have hallow or closed space right? They just have structural ceiling, nothing closed no?

    Sent from my...
  18. Replies
    9$$
    Views
    918

    Electric room

    I have 75kva transformer ceiling hung in electric room. To comply nec 450.13. Do electric rooms have suspended ceilings or just structural ceilings?

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  19. Replies
    37$$
    Views
    2,862

    Scenario may have been overlooked by NEC? ...

    Scenario may have been overlooked by NEC? Revision to the NEC 2020 or 2017 if still possible?

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  20. Replies
    37$$
    Views
    2,862

    I dont know how or even possible but if their is...

    I dont know how or even possible but if their is such a fault or current drawn somehow or if even possible then it can cause fire hazard. No? Is it possible?

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  21. Replies
    37$$
    Views
    2,862

    Lets say I installed 20 amps feeder circuit...

    Lets say I installed 20 amps feeder circuit breaker thats feeds more than one duplex receptacles. Each duplex recptacles recptacle is nema 5-20R rated. Now in one receptacle lets say I plug in...
  22. Replies
    18$$
    Views
    1,102

    Can i get more than 15 minutes?[emoji6]☺ Sent...

    Can i get more than 15 minutes?[emoji6]☺
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  23. Replies
    18$$
    Views
    1,102

    You caught that while i was editing it. Thats...

    You caught that while i was editing it. Thats really good.

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  24. Replies
    18$$
    Views
    1,102

    Slight edit to feeder cable size for those who...

    Slight edit to feeder cable size for those who pay attention since protected by 2500 amps bolted switch:

    Switchboard feeder breaker load side feeder cables to trough bus are 7 sets of 4-500 kcmil...
  25. Replies
    18$$
    Views
    1,102

    Switchboard feeder breaker load side feeder...

    Switchboard feeder breaker load side feeder cables to trough bus are 2 sets of 4-600 kcmil 2/0G protected by 2500 amps bolted pressure switch upstream.

    The conductors to one of the tenants...
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