Can someone help me identify what these cables are for?
I'm guessing (and hoping) the one in the bedroom is for a cat 5 wall socket -- and that these corresponds to some of the cables exiting in the basement ceiling.
Bedroom wall
Basement ceiling
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\$\begingroup\$ Doesn't look like cat5: wrong colours, not twisted. Alarm system? \$\endgroup\$– pjc50Commented Sep 23, 2015 at 13:11
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\$\begingroup\$ You're right. Not cat5 unfortunately. \$\endgroup\$– Håvard GeithusCommented Sep 23, 2015 at 13:20
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\$\begingroup\$ Hm. Why the downvote? Is this the wrong place for such questions? \$\endgroup\$– Håvard GeithusCommented Sep 23, 2015 at 13:21
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\$\begingroup\$ Spy cameras I reckon LOL. \$\endgroup\$– Andy akaCommented Sep 23, 2015 at 14:22
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1 Answer
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The cables in the top photo seem to be telephone wires, but certainly not cat5 cables. It looks like two telephone wires were connected together.
Cat5 ethernet cables always have 8 insulated wires, grouped into 4 twisted pairs. The cable is thicker and the insulation quite thin so that you can see bulges formed by the twisted pairs.
In the bottom photo I can't see the cable(s), but the colors are wrong for cat 5 cable.
More information on cat5 cable, including the proper colors, can be found e.g. here.
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\$\begingroup\$ I see. Thanks for the info. I realize a little research would have ruled out the cat5 possibility. \$\endgroup\$ Commented Sep 23, 2015 at 13:17
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\$\begingroup\$ Two telephone wires connected together? That sounds like ISDN. \$\endgroup\$ Commented Sep 23, 2015 at 13:22