Indicator light units for household and similar fixed electrical installations (IEC 23B/634/CDV)
Edition 2001-08-01

Electronic components. Signal organs. Indicator lights. Detail specifications
Edition 1989-06-01

Ergonomics - Accessible design - Indicator lights on consumer products (ISO 24550:2019) (Endorsed by Asociación Española de Normalización in February of 2020.)
Edition 2020-02-01

Indicator light units for household and similar fixed-electrical installations - Part 1: General requirements
Edition 2003-12-05

Indicator light units for household and similar fixed-electrical installations - Part 1: General requirements
Edition 2004-05-21

Indicator lamps
Edition 1992-05-31

Standard Test Method for Determining the Water Vapor Resistance of Sheet Materials in Contact with Liquid Water by the Dry Indicator Method
Edition 2016

Standard Test Method for Hydrocarbon Types in Liquid Petroleum Products by Fluorescent Indicator Adsorption
Edition 2020

Standard Test Method for Acid Number of Terephthalic Acid by Color-Indicator Titration
Edition 2020

Telecommunications Telephone Terminal Equipment Caller Identity and Visual Message Waiting Indicator Equipment Performance Requirements
Edition 2003-05