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(Please see this question for background info)

In my pantry, I'm going to be connecting a door jamb switch across a low voltage application. I'd like to (instead of fishing the bare wire through a hole the wall) use a wall-plate with two connectors. I see that banana plugs can support 30v at 15a (way more than I would need), and come in a keystone jack. I am wondering though if using connectors typically for audio would present a hazard and if there is a better option that would be available in a keystone jack or standard wallplate.

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  • \$\begingroup\$ Is the 'low voltage' AC or DC? Banana plugs are NOT POLARIZED, can be wired backward on a DC system. \$\endgroup\$ – Whit3rd Mar 23 '17 at 9:47
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You could use banana's but they are notoriously unreliable for falling out when you don't want them too.

Phono-Plugs make a MUCH more reliable mechanical connection.

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Or go with a coaxial cable.

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As for labels, get some printable labels.

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