2answers

[PCB Prototype] Why is it recommended to lay copper on the break-away rail on the panel PCB board?

I designed a panel pcb board, but the edge rail without copper, I sometimes receive EQ suggestion edge rail for copper,Is there anything special about it?
Ranking Name Answers
1 PCBWay Team 6
2 sisma ‎ 1
3 Tormy Van Cool 1
4 Julian Phillips 1