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CSA 12.4:22

M00015241

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CSA 12.4:22 Power-operated LP-gas dispensing equipment

standard by CSA Group, 12/14/2022

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Full Description

Preface

This is the harmonized CSA Group and UL standard for Power-Operated LP-Gas Dispensing Equipment . It is the second edition of CSA 12.4, and the fifth edition of UL 495. This edition of CSA 12.4 supersedes the previous edition published April 1984. This edition of UL 495 supersedes the previous edition published April 2016. This harmonized standard was prepared by CSA Group and Underwriters Laboratories Inc. (UL). The efforts and support of the Technical Harmonization Subcommittee, Power-Operated LP-Gas Dispensing Equipment are gratefully acknowledged. This standard is considered suitable for use for conformity assessment within the stated scope of the standard. This standard was reviewed by the CSA Subcommittee on Dispensing Devices for Propane Fuel for Highway Vehicles, under the jurisdiction of the CSA Technical Committee on Propane Autogas and the CSA Strategic Steering Committee on Requirements for Transportation, and has been formally approved by the CSA Technical Committee. This standard has been developed in compliance with the Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.

Scope

1.1 These requirements cover power-operated equipment for dispensing liquefied petroleum gas into the fuel storage container of a vehicle where the gas is primarily used as an engine fuel. 1.2 The electrical features of power-operated dispensers are as described: a) In the United States: UL 1238, Standard for Control Equipment for Use with Flammable Liquid and LP-Gas Dispensing Devices; b) In Canada: CSA C22.2 No. 22, Electrical equipment for flammable and combustible fuel dispensers.

1.3 These requirements cover wiring methods used to install or interconnect control equipment when the equipment is located directly on or within the housing of the dispensing device.

1.4 These requirements do not cover control equipment that could authorize, monitor, or interrupt operation of a power-operated dispensing device or the filling of LP-Gas portable containers. Such equipment includes mounted equipment located adjacent to the dispensing device, remote consoles located inside a permanent structure, and auxiliary equipment physically attached to the dispensing device or enclosed by the housing.

1.5 Products covered by this Standard are intended to be installed and used in accordance with the applicable Codes and Regulations as determined by the Authority Having Jurisdiction (AHJ), such as, but not limited to: a) In the United States: 1) Liquefied Petroleum Gas Code, NFPA 58; and 2) National Electrical Code, NFPA 70 b) In Canada: 1) Natural gas and propane installation code, CSA B149.1; 2) Propane storage and handling code, CSA B149.2; 3) Canadian Electrical Code, Part I Safety Standard for Electrical Installations, CSA C22.1; and 4) Other Provincial or Territorial Regulations. Note: For the purposes of this Standard, the terms "Liquified Petroleum Gas", "LP-Gas", and "Propane" are interchangeable.