Test Instrument Reference

Data record gloss.measurement-category.usage

Verified 2026-10-27 Confidence: High

A maker's guide to multimeter safety places single-phase receptacle-connected loads such as appliances and portable tools in CAT II, the distribution level of a building including switchgear, polyphase motors, feeders and commercial lighting in CAT III, and the utility service connection with its meters, primary overcurrent protection and any outdoor conductors in CAT IV. It advises selecting a meter rated for the highest category in which it might ever be used, with a voltage rating that matches or exceeds the circuit.

ProvenanceFluke learn article supports data record gloss.measurement-category.usage, which is cited on the entry Measurement category (CAT rating).SOURCEFluke learn articleFluke learn articleManufacturer pageDATA RECORDgloss.measurement-category.usagegloss.measurement-catego..Verified 2026-10-27ENTRYMeasurement category (CAT rating)Measurement category (CA..No revisions
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StepItemDetail
SourceFluke learn articleManufacturer page
Data recordgloss.measurement-category.usageVerified 2026-10-27
EntryMeasurement category (CAT rating)No revisions
Subject
Measurement category (CAT rating) (Glossary)
Kind
Definition
Source
Fluke learn article, web page edition, Guide to Digital Multimeter Safety, Fluke. Publisher page

History

Every recorded change to this data record, oldest first.
DateChange
2026-10-27created
2026-10-27revised
2026-10-27review_status unreviewed -> software_reviewed

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"Data record gloss.measurement-category.usage." Test Instrument Reference. 2026-10-27. https://www.testinstrumentreference.com/data/gloss.measurement-category.usage/.