// CODE SNIPPET
407.4.9 Emergency Communication
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Emergency two-way communication systems shall comply with 308. Tactile symbols and characters shall be provided adjacent to the device ...
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Car emergency signaling devices complying with 407.4.9 shall be provided ...
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Emergency two-way communication systems shall comply with 409.4.7 ...
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105.2.2 Application and Administration, ASME
not seen or used by elevator passengers. ASME A17.1 requires a two-way means of emergency communications in passenger elevators. This ...
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