---
kind: "section"
citation: "30 C.F.R. § 57.19093"
title: "30"
number: "57.19093"
heading: "Standard signal code."
url: "https://uscodex.org/cfr/30/57.19093"
---

# §57.19093. Standard signal code.


A standard code of hoisting signals shall be adopted and used at each mine. The movement of a shaft conveyance on a “one bell” signal is prohibited.


## Notes

### Authority

Authority: 30 U.S.C. 811.

### Source

Source: 50 FR 4082, Jan. 29, 1985, unless otherwise noted.