Equipment checklist
Pad-mount, dry-type, cast-coil, liquid-filled, unit-substation, and station-class units. Keep labels, schedules, accessories, and visible condition tied to the exact Naperville, IL lot.
Naperville, IL / 75 kVA–50 MVA
A Naperville evaluation can cover one asset or a coordinated lot. Document the transformers, the release schedule, condition, quantity, and path to grade so the equipment and project scope can be reviewed together.

Naperville identification file
Nameplate photos, kVA/MVA, primary and secondary voltage, fluid type, test history, and access are most useful. If the Naperville lot is part of a maintenance-spares review, group matching models, unused components, and serviceable takeouts with clear quantities and storage condition. For Illinois records, separate building-owned distribution gear from tenant assets and retain one-line references when they are available.
Pad-mount, dry-type, cast-coil, liquid-filled, unit-substation, and station-class units. Keep labels, schedules, accessories, and visible condition tied to the exact Naperville, IL lot.
For the Naperville transformers file, include ownership, operating status, quantity, floor or pad position, clearances, released work area, loading route, and the proposed evaluation date.
Secure server-side form