DIY electrical outlet for removin static noise in sound when connection laptop to hi-fi

Previous article about home cinema already talked about noise in sound when connecting laptop to ampiflier.

Find electrical adapter without ground electrificity. (only two holes)
And this will perfecty enable you to watch movies on hi-fi without noise when connectin electricity cable.

This one on picture was cut with saw so the plug can fit in and colored for better apperiance.