200 amp Main lug panel behind fused switch disconnect HELP!!!

[L4nd0n40]

I have a 200 amp three phase fused disconnect switch only and I would like too know if I can use a main lug panel as my primary

 

[LarryFine]

Welcome to the forum.

If you mean feed the ML panel from the fuses, yes, as long as you're in the same structure.

 

[L4nd0n40]

Yes that is exactly what I mean and thank your very much

 

[infinity]

What do you mean by your primary?

 

[L4nd0n40]

Also, Mr. Larry, I do have a question I’m still learning can I run single phase off of a three phase service

 

[L4nd0n40]

What do you mean by your primary?

My MBP

 

[L4nd0n40]

Also, Mr. Larry, I do have a question I’m still learning can I run single phase off of a three phase service

And if so, how do I achieve that I would assume just running it off of one leg, right?

 

[roger]

I think we need more information. Is this a real situation or something for your education?

 

[LarryFine]

And if so, how do I achieve that I would assume just running it off of one leg, right?

Also, Mr. Larry, I do have a question I’m still learning can I run single phase off of a three phase service

If you have 208Y/120, then you have three single-phase 120v line-to-neutral sources, and/or three single-phase 208v line-to-line sources.

This is pretty basic stuff.

 

[hillbilly1]

My MBP

MDP? (Main distribution panel)

 

[don_resqcapt19]

My MBP

That is not a term used in my area or one that I have heard of.

 

[infinity]

MBP=main breaker panel?

 

[L4nd0n40]

MDP? (Main distribution panel)

Yes sorry typo

 

[L4nd0n40]

MBP=main breaker panel?

MDP sorry typo

 

[L4nd0n40]

I think we need more information. Is this a real situation or something for your education?

This is a real situation and for my education!

 

[L4nd0n40]

If you have 208Y/120, then you have three single-phase 120v line-to-neutral sources, and/or three single-phase 208v line-to-line sources.

This is pretty basic stuff.

I am an apprentice and I am just doing my research too understand and make sure the job is done properly! I appreciate your help very much

 

[roger]

I am an apprentice and I am just doing my research too understand and make sure the job is done properly! I appreciate your help very much

Thank you for telling us where you are coming from. Do you have supervision on site?

 

[L4nd0n40]

Thank you for telling us where you are coming from. Do you have supervision on site?

Yes and No my supervisor is expecting me too do the research and too make sure I do the job properly

 

[electrofelon]

And if so, how do I achieve that I would assume just running it off of one leg, right?

It is common to take a single phase feeder, which would consist of two hots and the neutral, off a three phase system.

 

[LarryFine]

It is common to take a single phase feeder, which would consist of two hots and the neutral, off a three phase system.

Yes. It depends on the electrical needs of the devices you're looking to supply power to.

An electrical design generally starts at the load(s), and works its way toward the service.