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-   -   How best to run grounds with a plastic enclosure (http://www.homebrewtalk.com/f170/how-best-run-grounds-plastic-enclosure-287480/)

mcomb 12-15-2011 05:12 PM

How best to run grounds with a plastic enclosure
I'm building a fairly basic RIMS system based on one of PJs excellent schematics. I've noticed most people use metal enclosures with a ground lug, but my enclosure will be plastic. In this case, what's the accepted way to run grounds? An additional terminal block? Do I need to ground the casings of my switches and such that would normally contact a metal enclosure?


mux 12-15-2011 05:22 PM

Ground everything that has a ground screw, terminal. Use this and don't need any sta- cons.

BrewinBigD 02-07-2012 04:52 AM

dontforget that any ground wire you use has to be rated for the max current of your system

JonathanS 02-07-2012 06:48 PM

I used the standard 12x12x6 plastic enclosure and ordered a hoffman metal backplane from Platt - http://www.platt.com/platt-electric-...spx?zpid=26884

Mounted it on plastic standoffs inside box. Used tap and die set to mount all internal components. Also got a 5-position ground bar that is mounted (grounded) to metal backplane. All external components (ie rtd quick disconnects, power input, power output) have ground continuity.

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