Something still surprise me

[brian john]

36 almost 37 years in the trade and somethings still surprise me. This was done by an electrician (according to the building facility personel).

I have always said transformers are dust magnets, but this was a bit much.

 

[jwelectric]

Is that a #6 with gray tape on it, I think that is a violation to 200.6(A)!!!!

 

[sfav8r]

Was other protection added ahead of or behind this? Was there no fusing required and he just bypassed it to be an unfused disconnect?

 

[don_resqcapt19]

Brian,
The installer must have been quailifed...the sytem works and has not burnt up...yet

 

[cowboyjwc]

That is crazy. Everyone knows you should use copper pipe!

 

[yanici]

"cowboyjwc That is crazy. Everyone knows you should use copper pipe! "


Naw, with the price of copper we're all using EMT.

 

[acrwc10]

Letting the "EMT FUSES" be over looked for a minute, It looks like that is a 240 volt switch ? with 480/277 volt color coded wires. I may be wrong.But it look like that to me.

 

[zbang]

Was the EMT listed for that use/location?

(I think I'd rather have lint in the transformer than parking garage dust. That stuff is just plain nasty- both abrasive and slightly conductive. I used to maintain a UPS that was in a garage, it needed to be cleaned every three months instead of once a year.)

 

[growler]

"cowboyjwc That is crazy. Everyone knows you should use copper pipe! "


Naw, with the price of copper we're all using EMT.

I agree, I have never seen EMT used but I have found copper pipe in more than one disconnect.

It's easy to tell if it was done by an electrician. Pull out the sections of EMT and see if they are reamed ( deburred ). They do look like nice even cuts, square at the ends, the mark of a professional.

The only question that you have to ask is. " Why"?:-?

 

[lowryder88h]

Suprise

Suprise

Brian John,

I'm guessing you have never did electrical service work for a farmer. I did many service call at this one dairy farm, and I swear this guy conered the market on short pieces of wire, allegator clips, and at least he use 3/4" cu pipe for fuses. When he couldn't get his machinery to work then he would call me. It was always a challenge. I'm fairly sure others from this forum will have many more stories like the one i shared.:grin:

 

[aja21]

Brian John,

I'm guessing you have never did electrical service work for a farmer. I did many service call at this one dairy farm, and I swear this guy conered the market on short pieces of wire, allegator clips, and at least he use 3/4" cu pipe for fuses. When he couldn't get his machinery to work then he would call me. It was always a challenge. I'm fairly sure others from this forum will have many more stories like the one i shared.:grin:

Thats not as good as the farmers out here in Nebraska. I saw a workshop with galvanized tin cut and brazed and used for conduit and thats just one of the many things that i have seen. Now let the games begin.

 

[ptonsparky]

How about the engineers that calculated the current carrying capacities of small guage wire they used in their tv repair business, then soldered them to the blown fuse casings. Yup, just down the street in Nebraska.

200 amp.

 

[Charles R. Miller]

Is that Spanish moss growing in the transformer? If so, in accordance with 500.5(D)(1) FPN No. 2, it must be treated as easily ignitable.
Charles

 

[rlMutch]

Letting the "EMT FUSES" be over looked for a minute, It looks like that is a 240 volt switch ? with 480/277 volt color coded wires. I may be wrong.But it look like that to me.

OK, I'll bite... So what is the correct color code for 480/277 phase conductors according to the NEC???

 

[lowryder88h]

surprise

surprise

OK, I'll bite... So what is the correct color code for 480/277 phase conductors according to the NEC???

B - Brown

O -Orange

Y - Yellow

Just remember BOY for phase Id, & grey for grounded conductor

 

[raider1]

B - Brown

O -Orange

Y - Yellow

Just remember BOY for phase Id, & grey for neutral

Please show me the code reference that requires this please.

Chris

 

[lowryder88h]

surprise

surprise

Please show me the code reference that requires this please.

Chris

Its mostly a common use of colors throughout our trade, the only art that touches on this but not w/ specific colors 210.5 (C)

 

[brian john]

This is a Challenger 60 amp Fused Safety Switch for use on 480 VAC.

BOY what ever happened to OYB, or YOB, or BYO, or YBO, or OBY, then there is Purple, Yellow, Brown, what is required on a job is consistency. Electricians that change colors in the middle of a job, because of some mis-guided belief that the NEC requires what ever they believe, cause more problems than necessary.

I want consistency and CORRECT ROTATION.

 

[JohnJ0906]

http://resources.co.ba.md.us/Documents/Permits/ElectricalInspections/elec_color_code.pdf
I just wish we could have some people I have come behind read this!

 

[raider1]

Its mostly a common use of colors throughout our trade, the only art that touches on this but not w/ specific colors 210.5 (C)

Agreed, but I see quite a variation of the BOY color code. I do hear alot of electricians that say you can't use orange any more due to the requirements of 110.15 even when they don't have a 4-wire delta system with the mid-point grounded.

Chris