13. Installation Best Practices · Page 4 of 6
Torque, QA and As-Built Photos
Quality assurance for surge installations.

Torque
Terminal torque to manufacturer values—then re-check after initial thermal cycles on critical boards.
Photos
Photograph lead routing. If leads look like spaghetti, performance will too.
Test records
Record SPD model, serial/lot if available, Up/In from label, and remote contact wiring point.
