QUOTE: Originally posted by rrinker If you build the back side like shelf brackets, you'd never need the wire, unless you had sections much wider than 2' on the top level. I wouldn't think a wire to the ceiling would be able to hold the layout level - not when the other side is connected to the floor like that. If you really have areas on the upper level that won't cantilever in a stable fashion, consider locating a structure ont he lower level with a tall smokestack, and run a threaded rod up through it to provide the support. --Randy
QUOTE: Originally posted by TomDiehl If you're talking about electrical wire, it would depend on the electrical codes in your country. In the US, if it was full line voltage (120 Volts in US) for lighting or outlets, it would have to be in a conduit (thin walled pipe you route the wires through), or what's known as BX cable (think flexible conduit). Track or accessory wiring should be low enough voltage in your country to not require this, but I'd check the local regulations before running it in the open. Remember, the smaller diameter wires will need some sort of protection if out in the open like this, regardless of what the code says.
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