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API PSD 2213

1974 Edition, July 1974

Complete Document

Ignition Risks of Ordinary Telephones



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EN
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W/D NO S/S * 852-22130
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Product Details:

  • Revision: 1974 Edition, July 1974
  • Published Date: July 1974
  • Status: Not Active, See comments below
  • Document Language: English
  • Published By: American Petroleum Institute (API)
  • Page Count: 6
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

The scope of this data sheet is limited to the possibility of igniting Class I, Group D vapors by a conventional Bell system (or equivalent) telephone set. Group D vapors, as defined in Article 500 of the National Electrical Code, include gasoline, hexane, benzene, butane, propane, alcohol, acetone, lacquer solvent and natural gas. The scope does not include telephone sets that are fitted with auxiliaries such as lights, relays, buzzers or remote sounding horns and signals.