travellers
- Thread starter buck33k
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Re: travellers
I say don't count it. We know that both travelers can not be current carrying at the same time, so why would we count them both?
In a linear MWBC we do not count the neutral because it doesn't add to the total current in the raceway so why add this dead conductor?
Roger
I say don't count it. We know that both travelers can not be current carrying at the same time, so why would we count them both?
In a linear MWBC we do not count the neutral because it doesn't add to the total current in the raceway so why add this dead conductor?
Roger
hurk27
Senior Member
- Location
- Portage, Indiana NEC: 2008
Re: travellers
You just never know?
al hildenbrand
Senior Member
- Location
- Minnesota
- Occupation
- Electrical Contractor, Electrical Consultant, Electrical Engineer
Re: travellers
When? How can more than six at a time have current?
When? How can more than six at a time have current?allenwayne
Senior Member
Re: travellers
Ok now I am confused 4 sets of travellers are we switching one light or two If one then 2 travellers at a time a hot a neutral and a switch leg,if switched and fed from same location that equals 5 current carring conductors If 2 lights and one is switched and fed from one location and the other is fed and switched from other location that equals 7 unless on seperate circuits then 8 don`t share a neutral
Ok now I am confused 4 sets of travellers are we switching one light or two
If one then 2 travellers at a time a hot a neutral and a switch leg,if switched and fed from same location that equals 5 current carring conductors If 2 lights and one is switched and fed from one location and the other is fed and switched from other location that equals 7 unless on seperate circuits then 8 don`t share a neutral allenwayne
Senior Member
Re: travellers
Calgon take me away
Calgon take me away
al hildenbrand
Senior Member
- Location
- Minnesota
- Occupation
- Electrical Contractor, Electrical Consultant, Electrical Engineer
Re: travellers
Allenwayne,
I'm using very specific language in my hypothetical. </font>
My hypothetical is for basic threeway set ups, and it doesn't matter how the switches are fed or which end has the fixture, or if there are 4ways involved. . .
The question is, do I have more than nine or less than ten conductors in the raceway?
Do I, by the NEC, have to derate to 50% or 70%?
Allenwayne,
I'm using very specific language in my hypothetical. </font>
- <font size="2" face="Verdana, Helvetica, sans-serif">1" raceway</font>
- <font size="2" face="Verdana, Helvetica, sans-serif">4 sets of travellers</font>
- <font size="2" face="Verdana, Helvetica, sans-serif">One hot conductor</font>
- <font size="2" face="Verdana, Helvetica, sans-serif">One neutral conductor</font>
My hypothetical is for basic threeway set ups, and it doesn't matter how the switches are fed or which end has the fixture, or if there are 4ways involved. . .
The question is, do I have more than nine or less than ten conductors in the raceway?
Do I, by the NEC, have to derate to 50% or 70%?
milwaukeesteve
Senior Member
- Location
- Milwaukee, WI
Re: travellers
I tried to express this last time.
If those conductors are meant and intended to carry current, whether it is intermittent or non-coincidental, they are still considered current carrying conductors, because they all carry the circuit current. The code says current carrying conductors. It doesn't say anything about when and how often they carry current.
The code is very specific when it comes to counting the neutral. (I didn't mention that last time)
The code is also very specific on which ungrounded conductors to count and when. Nothing mentioned about travellers.
Roger and Physis, thank you for pointing out what I missed.
I tried to express this last time.
If those conductors are meant and intended to carry current, whether it is intermittent or non-coincidental, they are still considered current carrying conductors, because they all carry the circuit current. The code says current carrying conductors. It doesn't say anything about when and how often they carry current.
The code is very specific when it comes to counting the neutral. (I didn't mention that last time)
The code is also very specific on which ungrounded conductors to count and when. Nothing mentioned about travellers.
Roger and Physis, thank you for pointing out what I missed.
milwaukeesteve
Senior Member
- Location
- Milwaukee, WI
Re: travellers
If you were running the circuit conductors in a raceway for the 220V Air Cond for a sun room, and also the 220V Heater for that same sun room, would you count all 4 wires or would you only count 2? (lets just say they are controlled by the same t-stat with a HEAT and a COOL switch, neither would be on at the same time)
If you were running the circuit conductors in a raceway for the 220V Air Cond for a sun room, and also the 220V Heater for that same sun room, would you count all 4 wires or would you only count 2? (lets just say they are controlled by the same t-stat with a HEAT and a COOL switch, neither would be on at the same time)
milwaukeesteve
Senior Member
- Location
- Milwaukee, WI
Re: travellers
As Physis mention, when the insurance company comes asking... I would rather I had an answer than a rationalization.
As Physis mention, when the insurance company comes asking... I would rather I had an answer than a rationalization.
milwaukeesteve
Senior Member
- Location
- Milwaukee, WI
Re: travellers
Scratch that last statement.
I should have said...
As Physis eluded to... When the Fire marshall, the lawyer AND (this is what I added) the Insurance company....
Scratch that last statement.
I should have said...
As Physis eluded to... When the Fire marshall, the lawyer AND (this is what I added) the Insurance company....
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