How to run electrical wire through an exterior wall safely
Drilling through an exterior garage wall risks breaking the moisture barrier and complicates running UF cable safely up the insulation. Without careful execution, it is difficult to achieve a clean wall penetration into the attic without compromising the home's weather protection.
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
r/HomeImprovement1 person · September 2026
“I want to make sure I approach the wall penetration safely and cleanly.”source ↗
LocksmithCultural968 · r/HomeImprovement · 2 upvotes
r/askanelectrician1 person · September 2026
“I’m kind of worried about breaking the moisture barrier when drilling thru the garage wall to get it into the attic and also having the UF cable run up the insulation in the wall.”source ↗
Ship_Ship_8 · r/askanelectrician
Where this came up
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