Rackstamp, data center labeling field guide

SOURCE NOTE / S37

UL Solutions: Marking and labeling systems FAQs

Conditions of acceptability, specified printing combinations, and permanence-only evaluation scope. Checked September 12, 2026.

SOURCE CHECK / SEP 12, 2026

Read it in context.

Conditions of acceptability, specified printing combinations, and permanence-only evaluation scope. Checked September 12, 2026.

The linked guide explains how this source informs its topic. Check the document’s scope and the edition adopted by your project before applying it. A publisher overview or product guide does not reproduce the full requirements of a standard.

Read the library’s edition and applicability notes.

What this source establishes

UL explains that recognition has application and printing conditions. Its permanence evaluation is distinct from separate flammability, electrical, or structural ratings.

Review date: 2026-09-12. This note describes the source scope; it is not a project approval.

Used in these guides

21Label material failuresLabels peel, fade, or fail in service