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Wall plate help

archie2

Addicted Member
We are adding a room to our house and want to run speaker wire through the walls. What kind of end plate (connection plate) options do I have?
 
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Either Best Buy or Home Depot sells a box very similar to one you would put an outlet in. The side facing the room has binding posts on it, just like those on the back side of speaker cabinets. Bought one for the outside speakers I installed on my deck but never got around to installing it (wish I knew where the hell I put it :scratch2: ). Come to think of it, it was Best Buy and they had different sizes. For different numbers of wires going into it.
 
If you do this DO NOT use the clear speaker wire, it will corrode green,

I'd actually recomend 2 or 3 wire Sheathed extension cord cable. Its flexible, and will last for a long time, unlike the clear "Speaker" wire.
 
outlawmws said:
If you do this DO NOT use the clear speaker wire, it will corrode green,

I'd actually recomend 2 or 3 wire Sheathed extension cord cable. Its flexible, and will last for a long time, unlike the clear "Speaker" wire.

Why will clear speaker wire turn green running inside the wall? It turns green when the copper oxidizes but if it's between the wall it shouldn't be exposed to excessive moisture although these are outside walls. Yes, no?? Have you had this happen to you? Thanks.
 
I've seen it green on a sealed spool.

Moisture has nothing to do with it. It is something in most clear insulations that is not in the opaque stuff the reacts with the copper and creates verdigris. Clear insulation is something to stay away from. It is sold as something that blends in visually better where exposed, but definitely has corrosion problems.

Besides, there have been more than a couple of posts as to the benefits of the extension cord being a superior speaker wire.
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outlawmws said:
I've seen it green on a sealed spool.

Moisture has nothing to do with it. It is something in most clear insulations that is not in the opaque stuff the reacts with the copper and creates verdigris. Clear insulation is something to stay away from. It is sold as something that blends in visually better where exposed, but definitely has corrosion problems.

Besides, there have been more than a couple of posts as to the benefits of the extension cord being a superior speaker wire.
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Interesting, I'll have to check out those posts. You're not talking about zip cord are you?
 
No, Not Zip cord, the sheathed type with individual insulated wires inside. I suspect that the fact that it is twisted inside has something to do with the claims of better sound may have something to do the improvements, That would tend to help keep the wires from becoming antenna and picking up noise.

Speaking of noise, try to keep the speaker runs separate from the power runs so they don't pick up power noise.
 
Check with your local electrical inspector for their recommendations for wire that meets the code. As I recall it's CR2. Also, if any cable is run through an HVAC duct it has to be rated for plenum use. PVC is the worst as it give off toxic fumes when it burns.

For connectors go to home depot and look at the modular connectors that snap in 2,4 or 6 place covers.
 
any of that double jacketed speaker wire from HD will meet code for inwall run.

Its either 16/2 14/2 12/2 or 16/4 14/14 etc

Its usually blue or green with a black/white coated copper wire inside (double insulated)

as for the termination

Provo makes good ones we use all the time

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Once again AK comes through. I never gave the wiring a thought. I have a spool of 100 feet 14 ga. clear speaker wire I was planning on using. Now all that's changed. TY all.
 
Speaker wire in-wall

There is a seller on that well-known auction site that sells Monster speaker cable by the reelbox. His price is good and the product (that I received) is genuine (no link to this seller).

He has several different types that are approved for in-wall.

I am almost finished with a new house and I used this cable for the home theatre in-wall wiring.

I have been told that if you ever have a fire in your home and you didn't use code approved wire that the insurance company can refuse your claim - even if the wire had nothing to do with the fire. I can't say whether this is accurate or not, but I wasn't going to take the chance!
 
Gypsum is CaSO4·2H2O so it contains sulfur which could turn copper green. I imagine spackle also has gypsum. Copper chloride can also hydrate to a green compound and polyvinyl chloride (PVC) might give off chlorine.

Of course, it could be that the plasticizers in clear insulation also contain a sulfur compound while the solid colored stuff has enough inhibitors to stop offgassing of chlorine.

An interesting experiment would be to see how photosensitive clear insulation is. Buy a bunch, split it, put one in the dark and one in bright sunlight but at the same temperature. See if the sample in the sun turns green quicker. Control for temperature and humidity.
 
Whitehall, I have seen the clear plastic stuff used inside walls and a couple of times inside speaker boxes, it still turned green, even in a dark environment. I have only seen a very few samples of the clear stuff not turning green over time. So while they can make it so it doesn't degrade the copper, most of it I have seen turns to #$%& in a very few years.
 
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