Wooden boxs completly enclosing electric panels

[Charles Robinson]

A contractor totally inclosed 2- electric panels with a home made 1x3 and plywood box with piano hinges.is this ok if not what artical can i find it in.
thank you C. Robinson

 

[Dennis Alwon]

Look at 110.26 and see if the clearances are followed

 

[Ponchik]

Post a picture if you can.