These ratings refer to use in low voltage applications.
Cl3 speaker cable.
Make offer osd 16 2 speaker wire cable 150ft cl3 oxygen in wall or free burial rated monster cable s14 2 db ez 14 gauge speaker wire cl3 in wall 60 ft length 39 99.
The wires are housed in a uv resistant black pvc jacket that protects the wire from water damage.
Speaker wires are a big part for both outdoor speakers and indoor speakers because both need them.
14 gauge 2 conductor oxygen free indoor outdoor speaker cable cl3 easy pull reelex box design 500ft black.
If you re going to install wires in your house backyard or patio they need to go through a wall floor.
To classify the types of cables suitable for reducing these risks in various applications the nec provides a system of ratings of cables.
The speaker cable line includes direct burial speaker cable with ultra high purity 99 995 sometimes described as oxygen free copper ofc belden cables use soft drawn and annealed conductors which allow the cables to be flexed without breaking.
Both cl2 and cl3 speaker wire are suitable for in wall installations.
Gearit pro series 16 gauge 4 conductor speaker wire 250 feet 76 meters 16 awg ofc 99 9 oxygen free copper speaker wire cl3 rated for outdoor direct burial use black 4 5 out of 5 stars 29 139 99 139.
You ll also see cable with cl2 and cl3 ratings which refer to the amount of voltage the cables can carry cl2 150 volts cl3 300 volts.
Take a look at our comprehensive in wall wiring guide for more information.
An example would be cl3 or class 3 which many people recognize as an in wall rating because of the labeling on the spools of speaker wire found at home improvement stores.
In wall wire is available with two conductors.
This is the next step up.
While nec codes don t specifically refer to home theater use these do refer to multipurpose wire used for remote control signalling and power limited circuits.
Underwriters laboratory testing requires that a cable pass one of two ul tests selected by the manufacturer with.
Both cl2 and cl3 wires run through both.
Cl3 speaker wires are the exact same except they can handle 300 volts.
If you want to install your outdoor speaker wire underground you ll need wire rated for direct burial.