Re: low voltage termostat wiring
JohnJ: chances are this is not a plenum space but air handling space. A plenum is inside a duct. The area above a suspended ceiling may be used for return air, or not.
See table 725.61 for cable types and substitutions are shown in Figure 725.71. CL2 may not be the correct cable.
[ March 11, 2004, 09:17 PM: Message edited by: tom baker ]