Yea

[bkelly1]

My day for electric too.

[bkelly1]

The panel in picture two would be good for newer persons to evaluate.

[Greg Fretwell]

Quite a mess you have there.
Somebody brought this home from work.
3 phase MLO panel used as a single phase residential load center.

[bkelly1]

Greg , you ruined the mystery for the newer ones. Correct though.

[N5XL]

Ben...

The second picture. Was this in a residential setting???

It looks like an attempt to use a three phase panelboard for single phase use. The double taps on the feed lugs are a nice touch, and while its hard to tell, the third breaker down on the left side looks like a single 30 amp breaker wired up to 12 awg. Its also hard to tell but the first "stab" on the right side that doesnt have a breaker...if you follow the stab back to where it connects to the main lug, it looks discolored like its been overheating.

Dave

[N5XL]

Darn it Greg, you beat me to it!!

Dave

[brian winkle]

why are there 4 conductors at the weatherhead?

[bkelly1]

Good eyes, there was a 3 phase service to the house. Just not on the above panel. I am not sure why they brought it to the house. It was right in the downtown area of the city, so it was readily accessible. There was a disconnect above the panel. One of the legs were dropped and not used. Crazy installation.

[Gerry Beaumont]

Hi Ben,

I've gotta give you that one, it is the strangest residential system I have ever seen. Have you got over the writers cramp yet?

Regards

Gerry

[brian winkle]

In the early days of air conditioning 3 phase was run to some residences for the AC.

[Greg Fretwell]

Why didn't the 3d phase make it to the panel you showed?
Is it "red leg" delta? (240/120)
I am guessing now the panel in the picture is a sub panel off the main.

[bkelly1]

No it wasn't 240/120. We also have to use orange here for the "wild" leg. It went to a disconnect, and that was it. From there is went sraight to the panel. minus one leg. It was obvious it was a retrofit, by the owner who I beleive worked at bungee (a large grainery outfit) He probably picked up the panel and did it himself.

[Paul W. Abernathy]

now thats just crappy......using a freakin 3 phase panel for single phase....guess it was left over and figured oh hell...lets not waste it...lol...

On the 3 phase, many districts in downtown areas have 3 phase more readily avail. but could have most certainly done away from bringing it down the service drop....was it a converted business space to a residential space...possibly?

[bkelly1]

Todays.