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Type: Posts; User: jumper

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1. ## Thread: Hazardous Classification How to tell

by jumper
Replies
61\$\$
Views
582

### Engineers of course, if they have BSEEs, but...

Engineers of course, if they have BSEEs, but there is a slight presumption that when someone says they are an EE here, it kinda implies being a PE in electrical IMO.

Or at least that is what I...
2. ## Thread: Hazardous Classification How to tell

by jumper
Replies
61\$\$
Views
582

### I thought only a licensed PE could stamp drawings.

I thought only a licensed PE could stamp drawings.

by jumper
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6\$\$
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170

Gesundheit.
4. ## Thread: Hazardous Classification How to tell

by jumper
Replies
61\$\$
Views
582

### [QUOTE=roger;1898863] More like an intern....

More like an intern. Passed med school, but not licensed to practice yet.
5. ## Thread: VFD with delta high leg input

by jumper
Replies
8\$\$
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162

### Okay, sorry, I was trying to figure how the...

Okay, sorry, I was trying to figure how the configuration dropped 10V.

Thought maybe the high leg was somehow doing something weird to the set up.
6. ## Thread: VFD with delta high leg input

by jumper
Replies
8\$\$
Views
162

### If the transformer is fed with 240V and it is a...

If the transformer is fed with 240V and it is a 1:1 ratio, why is the secondary 230V?
7. ## Thread: Hazardous Classification How to tell

by jumper
Replies
61\$\$
Views
582

### My point is that until you or a qualified person...

My point is that until you or a qualified person in hazardous locations determines if it is classified or not, I cannot say whether romex or rigid is needed to wire your garage.

Not that you are...
8. ## Thread: Hazardous Classification How to tell

by jumper
Replies
61\$\$
Views
582

### Yep. He/she tells me the classification and I...

Yep. He/she tells me the classification and I wire it according to the applicable code articles.

by jumper
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3\$\$
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91

10. ## Thread: Hazardous Classification How to tell

by jumper
Replies
61\$\$
Views
582

### The electrical designer/consulting EE is the...

The electrical designer/consulting EE is the person who uses the parameters in article 500 to classify the area.

The NEC does not classify areas. The NEC tells us what to do after that person has...
11. ## Thread: 404.2 Switch Connections grounded conductor question

by jumper
Replies
3\$\$
Views
91

### 5) Where multiple switch locations control the...

5) Where multiple switch locations control the same light-
ing load such that the entire floor area of the room or
space is visible from the single or combined switch locations.
12. ## Thread: 2 pole 20 amp GFCI protected circuit

by jumper
Replies
2\$\$
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59

### Pigtail in neutral bus. Circuit ground/ EGC in...

Pigtail in neutral bus.

Circuit ground/ EGC in ground bus.

Edit: type too slow.
13. ## Thread: Residental service conductor size

by jumper
Replies
5\$\$
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109

### So the answers are: Yes, no, maybe, possibly....

Yes, no, maybe, possibly.

I hate 310.15
14. ## Thread: two-pole breakers vs two one-pole breakers

by jumper
Replies
14\$\$
Views
298

### I am getting lost here, I was trying to say a...

I am getting lost here, I was trying to say a dryer circuit is MWBC according to that section.

What am I missing?

Edit: I only saw two SP breakers and a dryer.

I looked at back at what Rob...
15. ## Thread: Residental service conductor size

by jumper
Replies
5\$\$
Views
109

### SE/SER should be the 75C column. 180A, next size...

SE/SER should be the 75C column. 180A, next size up breaker, 200A.
16. ## Thread: two-pole breakers vs two one-pole breakers

by jumper
Replies
14\$\$
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298

### 210.4(C)(1) exception 1

210.4(C)(1) exception 1

by jumper
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34\$\$
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867

Thanks.

I read the thread so quickly earlier I thought Costco LED was was some electronic gizmo name like Zener diode or something.:ashamed1:

by jumper
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2\$\$
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### In general, galvanized is acceptable, 342.10(B).

In general, galvanized is acceptable, 342.10(B).

by jumper
Replies
34\$\$
Views
867

### Wait a minute, costco as in that is the store...

Wait a minute, costco as in that is the store where you bought the LED light?

by jumper
Replies
34\$\$
Views
867

### Costco noise?

Costco noise?
21. ## Thread: disconnect switch color marking

by jumper
Replies
39\$\$
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977

### Rumor has it that the white one is good because...

Rumor has it that the white one is good because it is connected to a ground rod.

Must be true, I saw it on the internet.
22. ## Thread: History of 334.12 prohibition of NM above suspended ceilings in commercial space?

by jumper
Replies
26\$\$
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703

### I do not have a clue. I just knew a little bit...

I do not have a clue.

I just knew a little bit of that info and had that link, prolly from Don also.

IIRC, he is a fireman or something and could answer better than I.
23. ## Thread: GEC length 2nd part

by jumper
Replies
3\$\$
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### There is an informational note that has a...

There is an informational note that has a recommendation, but this is a suggestion, not a mandate.

250.4(A)(1)

Informational Note: An important consideration for limit- ing the imposed voltage...
24. ## Thread: Hypothetic on 210.23(A)(2)

by jumper
Replies
5\$\$
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### Okay, I get it now. Thanks.

Okay, I get it now. Thanks.
25. ## Thread: Hypothetic on 210.23(A)(2)

by jumper
Replies
5\$\$
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168

### Is this two pieces of equipment only or two...

Is this two pieces of equipment only or two pieces of equipment plus cord connected loads?
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