Gai-tronics 780-001 Explosion-proof Handset Stations User Manual
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Pub. 42004-156D
GAI-Tronics Corporation P.O. Box 1060, Reading, PA 19607-1060 USA
610-777-1374 800-492-1212 Fax: 610-796-5954
V
ISIT WWW.GAI-TRONICS.COM FOR PRODUCT LITERATURE AND MANUALS
GAI-TRONICS® CORPORATION
A HUBBELL COMPANY
Model 780-001, 785-001, 7805-001, and
7855-001 Explosion-proof Handset Stations
Confidentiality Notice
This manual is provided solely as an operational, installation, and maintenance guide and contains sensitive
business and technical information that is confidential and proprietary to GAI-Tronics. GAI-Tronics retains
all intellectual property and other rights in or to the information contained herein, and such information may
only be used in connection with the operation of your GAI-Tronics product or system. This manual may not
be disclosed in any form, in whole or in part, directly or indirectly, to any third party.
General Information
GAI-Tronics hazardous area Page/Party
®
handset stations are designed to provide safe and clear
communications in hazardous areas, even in high-noise situations. These models are NRTL certified for
use in the US and Canada for the following areas: Class I, Div. 1, Groups C and D; Class II, Div. 1,
Groups E, F, and G; and Class III, Div. 1.
Each of these models includes a front-panel push button for paging, a 6-foot PVC coil cord, a noise-
canceling microphone for reduced transmission of background noise, and sidetone circuitry to reduce
amplification of the user’s voice and background noise into their earpiece. An electrical safety barrier
mounted inside the housing creates an intrinsically-safe handset. Multi-party stations include a durable
rotary switch for party line selection. The weatherproof stations include a nonmetallic housing with a front
door. This installation manual covers the following models:
Model Description
780-001 Explosion-proof Handset Station, indoor, 120 V ac, single party
7805-001 Explosion-proof Handset Station, indoor, 120 V ac, multi-party
785-001 Explosion-proof Handset Station, weatherproof, 120 V ac, single party
7855-001 Explosion-proof Handset Station, weatherproof, 120 V ac, multi-party
This manual provides instructions for station placement and mounting. Refer to Pub. 42004-184, 42004-
238, or 42004-239, as applicable, for information detailing how to maintain the explosion-proof integrity of
the stations. The appropriate publication is packed with each station.
WARNING
Explosion Hazard – Do not connect or disconnect equipment unless power has
been switched off or the area is known to be non-hazardous.
Summary of Contents
Page 1 - General Information
Pub. 42004-156D GAI-Tronics Corporation P.O. Box 1060, Reading, PA 19607-1060 USA 610-777-1374 800-492-1212 Fax: 610-796-5954 VISIT WWW.G
Page 2 - Installation
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Page 5 - Conduit Installation
(Rev. 10/06)WarrantyEquipment. GAI-Tronics warrants for a period of one (1) year from the date of shipment, that anyGAI-Tronics equipment supplied he
Page 6 - Speaker Muting Information
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Page 7 - Operation
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Page 8 - Maintenance
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Page 9 - Specifications
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Page 10 - Replacement Parts
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Page 13 - Return Policy
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