Please see attached plastic outlet holder (it's the thing that holds the outlet cover in as you screw the screw in),
Where can I get these as over the years some have split.
Thanks
I don't think you will find just that part as the cover assembly is not that expensive. Try reaching the manufacture of the one Amazon sells.
Amazon.com: Diamond Group 313.1337 (WDR15WT White Speed Box Receptacle with... (https://www.amazon.com/Diamond-Group-WDR15WT-White-Receptacle/dp/B004M8N5A8/ref=sr_1_37?keywords=rv%2Boutlet%2Bcover&qid=1675956223&sr=8-37&th=1)
Thanks.
Look at an old work electrical box from Lowe's or Home Depot. Likely the same, or at least compatible. If so, $2 for two of what you seek.