combination of data and electric?

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FVC electric

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where could i find the article that states as long as there is a divider, I could install data and electric in the same box. My situation is a metal floor box that I was told could not contain both. I would like to read up on it before I discuss it with the builder. Thank you
 
Looks like a barrier in the box would be sufficient.

800.133(A) Separation from Other Conductors.
(1) In Raceways, Cable Trays, Boxes, and Cables.
(a)Other Power-Limited Circuits. Communications cables shall be permitted in the same raceway, cable tray, or enclosure with cables of any of the following:
(1) Class 2 and Class 3 remote-control, signaling, and power-limited circuits in compliance with Article 725
(2) Power-limited fire alarm systems in compliance with Article 760
(3) Nonconductive and conductive optical fiber cables in compliance with Article 770
(4) Community antenna television and radio distribution systems in compliance with Article 820
(5) Low-power network-powered broadband communications circuits in compliance with Article 830
(b) Class 2 and Class 3 Circuits. Class 1 circuits shall not be run in the same cable with communications circuits. Class 2 and Class 3 circuit conductors shall be permitted in the same cable with communications circuits, in which case the Class 2 and Class 3 circuits shall be classified as communications circuits and shall meet the requirements of this article. The cables shall be listed as communications cables.
Exception: Cables constructed of individually listed Class 2, Class 3, and communications cables under a common jacket shall not be required to be classified as communications cable. The fire-resistance rating of the composite cable shall be determined by the performance of the composite cable.
(c) Electric Light, Power, Class 1, Non?Power-Limited Fire Alarm, and Medium-Power Network-Powered Broadband Communications Circuits in Raceways, Compartments, and Boxes. Communications conductors shall not be placed in any raceway, compartment, outlet box, junction box, or similar fitting with conductors of electric light, power, Class 1, non?power-limited fire alarm, or medium-power network-powered broadband communications circuits.
Exception No. 1: Where all of the conductors of electric light, power, Class 1, non?power-limited fire alarm, and medium-power network-powered broadband communications circuits are separated from all of the conductors of communications circuits by a permanent barrier or listed divider.
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Years ago.... I had two analog phone lines at one of the places I lived in. The two pairs were in the same sheath.
Line 2 was basically used for modem. Line 1 was just POTS for phone.

That was before the days of broadband.

I would normally get 48000bps. However, when someone was using the phone on line 1, modem would only connect at 26400bps, presumably due to capacitive coupling degrading the signal.

So even if its to code, power wiring being next to it may induce acoustic noise into telephone line, cause snow in analog video and degrade signal quality in digital lines, ESPECIALLY if the power line carry noise producing loads, such as commutator motors, VFDs or dimmed lighting.
 
Electric-Light said:
Years ago.... I had two analog phone lines at one of the places I lived in. The two pairs were in the same sheath.
Line 2 was basically used for modem. Line 1 was just POTS for phone.

That was before the days of broadband.

I would normally get 48000bps. However, when someone was using the phone on line 1, modem would only connect at 26400bps, presumably due to capacitive coupling degrading the signal.

So even if its to code, power wiring being next to it may induce acoustic noise into telephone line, cause snow in analog video and degrade signal quality in digital lines, ESPECIALLY if the power line carry noise producing loads, such as commutator motors, VFDs or dimmed lighting.
Click to expand...

Don't know what you had in your installation but use of newer technology cable could have helped with the problem. Newer cables especially cat 5 and 6 not only have twisted pairs but each pair is twisted at different rates to help prevent cross talk between pairs.
 
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