So what do you say to a homeowner after old working an outlet into a 100 year old plaster wall leaving a less than desirable...well...hole.

This was one of the worst case scenarios but today buy the time we worked the wire down to the existing box and fumbled with getting it into the box enough plaster had crumbled away leaving a large gap next to the outlet...

My mind says...risks of the work...my conscience says fix it for the sake of your customer...I just can't even think of how to explain the situaton to someone who I know kows very little about remodeling type jobs...

What would you say to this customer and how would you handle this situation??