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Old 07-10-2019, 09:51 PM   #101
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Honestly, because a search on the good ol internet's brought me to this thread to begin with.
Fair enough but it's a good enough topic to be it's own thread.
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Old 07-10-2019, 09:54 PM   #102
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Originally Posted by B-Nabs View Post
If I'm running it in pipe, I usually run the dimming wires as 2-conductor fire alarm cable, so there is never any confusion what's what. In cable I use the "luminary" cable that has 2 #12 conductors + ground and 2 #16 conductors (separately jacketed) all in one.
I'm of the same thought with this.

Dimming wires don't need to be the same gauge or type as supply voltage, just the same insulation rating in a shared raceway.
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Old 07-15-2019, 07:46 AM   #103
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The only topic that the code book states about identifying is the grounded conductor and the grounding conductor. It says nothing about travelers. It is a personal choice
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Old Yesterday, 09:08 PM   #104
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Quote:
Originally Posted by B-Nabs View Post
If I'm running it in pipe, I usually run the dimming wires as 2-conductor fire alarm cable, so there is never any confusion what's what. In cable I use the "luminary" cable that has 2 #12 conductors + ground and 2 #16 conductors (separately jacketed) all in one.
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I'm of the same thought with this.

Dimming wires don't need to be the same gauge or type as supply voltage, just the same insulation rating in a shared raceway.
I do like this idea. I only deal with retrofits, myself, so I'm not ever installing new armored cables (but I have seen the luminary whips that have the 18 gauge dimming wire included in the bundle).

What I have not seen readily available, is a simple 2 conductor cable with 18 gauge purple/grey that can be easily pulled in with the old conductors - all I've seen are the more typical controls and/or fire alarm products, usually either white/black, or black/red. I'm sure it's out there - just need to ramp up my search.
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Old Today, 01:54 AM   #105
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Quote:
Originally Posted by CraziFuzzy View Post
I do like this idea. I only deal with retrofits, myself, so I'm not ever installing new armored cables (but I have seen the luminary whips that have the 18 gauge dimming wire included in the bundle).



What I have not seen readily available, is a simple 2 conductor cable with 18 gauge purple/grey that can be easily pulled in with the old conductors - all I've seen are the more typical controls and/or fire alarm products, usually either white/black, or black/red. I'm sure it's out there - just need to ramp up my search.
No reason it needs to be cable with purple and grey wires. You can just as easily use red and black or black and white, just as long as you know what you're connecting to what and it's the same on both ends. Purple is Positive and grey is negative on a 0 - 10V fixture, so I connect purple to red and grey to black (or purple to white and grey to black). The electrons don't care.

The most recent brand of luminary cable I bought the dimming wires were purple and yellow, go figure.

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Old Today, 11:40 AM   #106
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Quote:
Originally Posted by CraziFuzzy View Post
I do like this idea. I only deal with retrofits, myself, so I'm not ever installing new armored cables (but I have seen the luminary whips that have the 18 gauge dimming wire included in the bundle).

What I have not seen readily available, is a simple 2 conductor cable with 18 gauge purple/grey that can be easily pulled in with the old conductors - all I've seen are the more typical controls and/or fire alarm products, usually either white/black, or black/red. I'm sure it's out there - just need to ramp up my search.

Why even worry about color coding on wires that are obviously a smaller gauge than the line voltage wires?
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Old Today, 12:27 PM   #107
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Mechanical DVR is correct the travelers can’t be smaller since they are drawing the same current
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Old Today, 01:03 PM   #108
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Mechanical DVR is correct the travelers can’t be smaller since they are drawing the same current
They are not talking about travelers, they are talking about 0 - 10 Volt control wires that ARE smaller than the line voltage wires.
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