04-27-2012, 01:53 PM
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#21
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Senior Member
Join Date: Jul 2010
Location: IL
Posts: 1,444
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Quote:
725.136(I) Other Applications. For other applications, conductors of Class 2 and Class 3 circuits shall be separated by at least 50 mm (2 in.) from conductors of any electric light, power, Class 1 non–power-limited fire alarm or medium power network-powered broadband communications circuits unless one of the following conditions is met:
(1) Either
(a) all of the electric light, power, Class 1, non–power-limited fire alarm and medium-power networkpowered broadband communications circuit conductors or
(b) all of the Class 2 and Class 3 circuit conductors are in a raceway or in metal-sheathed, metal-clad, non–metallic-sheathed, or Type UF cables.
(2) All of the electric light, power, Class 1 non–power-limited fire alarm, and medium-power network-powered broadband communications circuit conductors are permanently separated from all of the Class 2 and Class 3 circuit conductors
by a continuous and firmly fixed nonconductor, such as porcelain tubes or flexible tubing, in addition to the insulation on the conductors.
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(1)(a) clearly permits the thermostat wire to be run though the same holes as the NM cable.
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