Thanks Sparky,I can see the worth of the "stackers" when running multiple cables along the side of joists or studs, when used judiciously. I was surprized to see them used on top of joists in an attic space (well away from the entrance hole) recently. It looked like Homer Homeowner could easily abuse the wiring with the wires stacked up away from the wood surface. Additionally, the code requires that the cables be run close to the wood 336-6(a), and such stackers appear to violate that requirement. Anybody have trouble passing inspection using them?
