We used to drive strut in the ground along side the 3/4 pvc stub up 12 or so inches above grade then spring nut the box. Then for that Rembrandt look we painted the strut per owners choice “ forest green “
Oh the good ole days,,,, back when you had time to paint galvanized strut after the install because that's what was on the truck from the commercial job you just did instead of having to go buy a whole stick of that odd green strut they sold that we'd never use.
Back before we realized we needed to drill a weep hole in the bottom of a perfectly good weather proof box to let the water out that was getting in around the hole in the back of the box that was used to spring nut it to the strut.
Back when, and still today, even if you took silicone and sealed off every possible gap the box would still get moisture in it due to condensation and rust the bottom 6/32 device screw so that when you went to remove it , it would strip off and you'd have to change the whole box out to make things right.
And, and, on top of all that, the owner had to weed eat around it which all too often resulted in a broken pvc pipe or a bent over stubup because they tried to mow so close they'd not have to weed eat around it.
Yard receptacles,,,,, what a pain.
Just funning,, it's cold out.
JAP>