Drilling through external wall 25mm hole for security cameras

Hi,



I bought Reolink security cameras which I would like to fix outside my house. I everything will be straight forward, I will get the cable through the wall, and it's done. However, when my cameras arrived, I noticed that end of the cable is 20mm thick where ethernet cable connects.



If I want to get this cable through the wall, I need to drill at least 25mm hole.

And this raises my concern if drilling such a big hole is not going to damage my external wall or house structure in general? There are 6 cameras so that means 6 holes in total

 

You buy an adaptor base ....then you only need an 8mm hole for a cat 5 cable

 

And drill through a mortar course rather than a brick. It can be repaired without trace if the cable is no longer needed.

 

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