49 CFR 236.9
§ 236.9 Selection of circuits through indicating or annunciating instruments.
United States · 49 CFR — Transportation · Status: effective
Cite this
- Citation
- 49 CFR 236.9, § 236.9 Selection of circuits through indicating or annunciating instruments, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/258946
- Permanent ID
ys:prov:258946@1- SHA-256
173768b7f533dcdb162c9e3ab3f443b4a9a59c244f052f6833a64d79af506ba4
The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.
Full text
Signal control and electric locking circuits shall not be selected through the contacts of instruments designed primarily for indicating or annunciating purposes in which an indicating element attached to the armature is arranged so that it can in itself cause improper operation of the armature.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.