• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Transformer Lead Routing.

I have a vertical mount power transformer, Hammond calls this 'X' mount. To make it fit in my chassis I wish to make it horizontal or 'Z' mount. For the intended X mounting the leads come out both sides of the laminations. To mount it horizontally I can feed one side's set of leads through the core to the other side. This will add or subtract half a turn. I intend to tape down this half turn with regular electrical tape. Is this sufficient or will there be unintended consequences.
 
Avoid rerouting wire through available window space because it´s not "neutral" space, by any means.

May or may not work, better avoid posible trouble.

Drill an extra hole, say 8-10-12 mm through chassis at some convenient spot, *add a rubber grommet* for safety, and send needed wires through it.

Safety before "looks" any day of the week.