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Brain storm on locking wires or timer that controls a cable modem.

I need a simple way to lock up a wire connection between two wires. One is from the cable modem and the other is a drop cord to a timer that controls when the cable modem is on and off.
The issue will be the holes through which the wires will go to be inside the box.
I have tie raps holding the wires together tightly where they meet. This may hinder the person who is tampering with the cable modem connection from the modem to the timer to the outlet.
I do have a fire proof box and a plastic tool box that can be locked but the wires would be crimped when the lid is closed
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nickg5
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nickg5
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4 Solutions
 
Dr. KlahnPrincipal Software EngineerCommented:
To meet electrical code, use a standard commercial anti-tamper / locking junction box.  A bit expensive as opposed to the standard $3 junction box, but it should do the job.  Example below:

https://www.ebay.com/itm/182028123077
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andyalderCommented:
An electronics project box with a hole drilled in it, a grommet to avoid cutting the cables and replace the screws with security screws (or just drill the screw heads out).

Pretty hard to guess what you are after, any chance of a photo of what you have so far?
Your access requirements aren't described either, maybe you just need to seal it in potting compound if you don't need access.
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nickg5Author Commented:
Cable modem is plugged a 6 foot extension cord and that is plugged into a timer. The timer is to cut the internet service off at 11pm and on at 7am.
The guest in the home tampered with the setup we had such that the internet service has been on 24 hours a day since Feb. 24.
We need to secure the timer or the connection where the cable line and the 6 foot extension cord meet so that the guest in the home can not turn the modem on after hours.
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Dr. KlahnPrincipal Software EngineerCommented:
I'd put both the timer and the cable modem inside a lockable box because plug-it-into-a-timer-in-a-box can be easily defeated.

Straighten one bend of two paper clips.  Sharpen them on a nail file.  Force them through the insulation on the power cord to the modem.   Plug the rest of each paper clip into a receptacle on an extension cord.  Voila!  The cable modem now has power, when the paper clips are removed from the power cord the plastic will seal up all but a very tiny pinhole remaining, and unless you inspect the power cord very, very carefully there's no evidence of what happened.
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andyalderCommented:
Can't you just use parental controls on the modem / router?
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nickg5Author Commented:
Parental controls are not working because they are not members of the household.
They cut the tyraps off while we were away for about an hour today. I'm not sure why. There was internet access the whole time.
Paper clips in the receptacle sounds dangerous.
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nickg5Author Commented:
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andyalderCommented:
Parental controls on the modem work on the MAC or IP address, they don't have to really be your children and you don't have to install any software.
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nickg5Author Commented:
I would need to be able to set times at which internet would be disabled.
10pm is the rule handed down by the sponsor of this guest.

If you can give me link to research that subject.
We have simple cable modem with IP address. They are picking up the household wi-fi using Apple phone 7+

They are accessing wi-fi with the iPhone. Locking my computer won't solve it. The modem is plugged into the wall 24/7 and the pc is off.
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andyalderCommented:
If you post the details of the cable modem and whatever is providing the wireless signal in a new question I'm sure someone will tell you whether it can be done. My wi-fi router has a scheduler in the inbuilt firewall that can block access out at certain times but not all have.
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nickg5Author Commented:
I'll post a new question and you can watch for it in the hardware zone. Thanks.
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andyalderCommented:
Don't forget Networking zone s well.
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