I am installing an HPWC today. More correctly, I am putting it in position for the electrician Monday. Who'll have to remove it, run the wires down the pipe, add drywall, then the real deal. When mounting the main "shell" to the bracket using the two screws provided, I note that the upper screw is very difficult to get in the corresponding bracket hole ... as there are black, green and red wires right up to the hole's adjacent "wall" and are very difficult to pry away. Anyone else had this issue? This is the "newer" version of HPWC (I think) that went on sale for $750. If someone were to be a little careless and pinch these (seemingly high current) wires, they might be in for a shock? Any pointers for my electrician?