High Leg

Status
Not open for further replies.
B

Breakthrough Electric

Member
Hello,
I have a peice of equipment that needs 208 single pole B-N with a grounding. and I have been told that it is un-wise to practice such methods. Do any of you have any input on this issue? And if so y would any one in there right mind make equipment that way?
 
chris kennedy

chris kennedy

Senior Member
Location
Miami Fla.
Occupation
60 yr old tool twisting electrician
Breakthrough Electric said:
Hello,
I have a peice of equipment that needs 208 single pole B-N with a grounding.
Click to expand...
Welcome to the Forum. This is where a link to that piece of equipment would be very helpful.
 
mivey

mivey

Senior Member
What information at the site makes you think it is 208 volts line-neutral?

Looks like 208 volt line-line (wye supply) or 240 volts would be fine.
 
480sparky

480sparky

Senior Member
Location
Iowegia
mivey said:
What information at the site makes you think it is 208 volts line-neutral?

Looks like 208 volt line-line (wye supply) or 240 volts would be fine.
Click to expand...

Breakthrough Electric said:
Hello,
I have a peice of equipment that needs 208 single pole B-N with a grounding. and I have been told that it is un-wise to practice such methods. Do any of you have any input on this issue? And if so y would any one in there right mind make equipment that way?
Click to expand...

OP sez so.
 
roger

roger

Moderator
Staff member
Location
Fl
Occupation
Retired Electrician
mivey said:
What information at the site makes you think it is 208 volts line-neutral?

Looks like 208 volt line-line (wye supply) or 240 volts would be fine.
Click to expand...

I agree, there is nothing on the site indicating a L-N connection.

Roger
 
mivey

mivey

Senior Member
Mr. Bill said:
The spec sheet says it has a NEMA 6-20P plug. That would be why the OP noted a single phase connection. The spec sheet also says it can operate at 220V so he may just want to use a 2-pole breaker across legs A-C if all he has available is a wild leg system.
Click to expand...
Why would a 6-20P indicate a line-neutral connection? These are 250 volts plugs.
 
roger

roger

Moderator
Staff member
Location
Fl
Occupation
Retired Electrician
Breakthrough Electric said:
Thanks guys just talked to dinex and the wiring diagram is wrong it is 2-pole to ground..
Click to expand...

What is "2-pole to ground"?

Mr. Bill said:
The spec sheet says it has a NEMA 6-20P plug. That would be why the OP noted a single phase connection. The spec sheet also says it can operate at 220V so he may just want to use a 2-pole breaker across legs A-C if all he has available is a wild leg system.
Click to expand...

Mr. Bill, Mivey is correct, a NEMA 6-20 is a 250 v grounding twist lock receptacle.

Roger
 
Mr. Bill

Mr. Bill

Senior Member
Location
Michigan
I only said NEMA 6-20P indicated it was single phase. I didn't say it had to be L-N. And a 250V rating is the maximum. So 200V,208V, 220V or 240V would work. L-L or L-N. I said L-L is prefered.
 
mivey

mivey

Senior Member
Mr. Bill said:
I only said NEMA 6-20P indicated it was single phase. I didn't say it had to be L-N. And a 250V rating is the maximum. So 200V,208V, 220V or 240V would work. L-L or L-N. I said L-L is prefered.
Click to expand...
I may have misunderstood what you meant because you referred to the OP. The OP was under the impression that it had to be L-N and was wondering why the manufacturer would make it that way. You were just guilty by association.:smile:

And for Breakthrough Electric, Roger is correct, it is not "2 pole to ground" as the correct term would be "2-pole 3-wire grounding"
 
Status
Not open for further replies.
Top