29 CFR § 1926.1420 - Signals—radio, telephone or other electronic transmission of signals.
---identifier: "/us/cfr/t29/s1926.1420"source: "ecfr"legal_status: "authoritative_unofficial"title: "29 CFR § 1926.1420 - Signals—radio, telephone or other electronic transmission of signals."title_number: 29title_name: "Labor"section_number: "1926.1420"section_name: "Signals—radio, telephone or other electronic transmission of signals."chapter_name: "OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR"part_number: "1926"part_name: "SAFETY AND HEALTH REGULATIONS FOR CONSTRUCTION"positive_law: falsecurrency: "2026-03-24"last_updated: "2026-03-24"format_version: "1.1.0"generator: "[email protected]"authority: "40 U.S.C. 3704; 29 U.S.C. 653, 655, and 657; and Secretary of Labor's Order No. 12-71 (36 FR 8754), 8-76 (41 FR 25059), 9-83 (48 FR 35736), 1-90 (55 FR 9033), 6-96 (62 FR 111), 3-2000 (65 FR 50017), 5-2002 (67 FR 65008), 5-2007 (72 FR 31159), 4-2010 (75 FR 55355), 1-2012 (77 FR 3912), or 8-2020 (85 FR 58393), as applicable; and 29 CFR part 1911, unless otherwise noted"regulatory_source: "44 FR 8577, Feb. 9, 1979; 44 FR 20940, Apr. 6, 1979, unless otherwise noted."cfr_part: "1926"---
Identifier
/us/cfr/t29/s1926.1420
Currency
2026-03-24
Positive Law
No
Updated
2026-03-24
Chapter
Occupational Safety and Health Administration, Department of Labor
Authority
40 U.S.C. 3704; 29 U.S.C. 653, 655, and 657; and Secretary of Labor's Order No. 12-71 (36 FR 8754), 8-76 (41 FR 25059), 9-83 (48 FR 35736), 1-90 (55 FR 9033), 6-96 (62 FR 111), 3-2000 (65 FR 50017), 5... 40 U.S.C. 3704; 29 U.S.C. 653, 655, and 657; and Secretary of Labor's Order No. 12-71 (36 FR 8754), 8-76 (41 FR 25059), 9-83 (48 FR 35736), 1-90 (55 FR 9033), 6-96 (62 FR 111), 3-2000 (65 FR 50017), 5-2002 (67 FR 65008), 5-2007 (72 FR 31159), 4-2010 (75 FR 55355), 1-2012 (77 FR 3912), or 8-2020 (85 FR 58393), as applicable; and 29 CFR part 1911, unless otherwise noted
# 1926.1420 Signals—radio, telephone or other electronic transmission of signals.(a) The device(s) used to transmit signals must be tested on site before beginning operations to ensure that the signal transmission is effective, clear, and reliable.(b) Signal transmission must be through a dedicated channel, except:(1) Multiple cranes/derricks and one or more signal persons may share a dedicated channel for the purpose of coordinating operations.(2) Where a crane is being operated on or adjacent to railroad tracks, and the actions of the crane operator need to be coordinated with the movement of other equipment or trains on the same or adjacent tracks.(c) The operator's reception of signals must be by a hands-free system.