Safety Information; Intrinsic Safety And Certification - Firecom 4100 Operation Manual

Portable

Table of Contents

Intrinsic Safety and Certification

What is Intrinsic Safety?

Intrinsic safety is a type of protection in which a portion of the electrical system (apparatus, circuits, and wiring) contains

only equipment that is incapable of causing ignition in the surrounding atmosphere. No single device or wiring is

intrinsically safe by itself (except for battery operated, self-contained apparatus such as portable pagers, transceivers,

gas detectors, etc., which are specifically designed as intrinsically safe, self-contained devices). Devices are intrinsi-

cally safe only when employed in a properly designed intrinsically safe system.

Certification

The Firecom 4100 Portable Intercom System is listed by SGS / United States Testing Company (USTC) as Intrinsically

Safe for use in certain hazardous atmospheres. Hazardous atmospheres can range from gas vapor to dust to flying

fibers. The listing by USTC indicates that Firecom's 4100 Portable Intercom System has undergone a series of tests

that demonstrate it is incapable of releasing a level of energy, either thermal or electrical, under normal or abnormal

conditions, that may cause ignition in a specific hazardous atmosphere.

The Firecom 4100 Portable Intercom System has been listed as Intrinsically Safe for use in Class I, II, and III,

Division 1, Groups A, B, C, D, E, F, G hazardous locations.

The following accessories can be used with the Firecom 4100 Portable Intercom System while maintaining full

compliance with the Intrinsically Safe listing:

Headset

Model CH-U

Model CH-FS

Model CH-LW

Extension Cables

Cable, 50 ft.

Cable, 100 ft.

Warning

Battery chargers sold with this unit are not Intrinsically Safe. Do not charge or change batteries in intrinsically safe

zones or hazardous environments.

Warning

Do not charge or change batteries in intrinsically safe zones or hazardous environments.

Warning

Substitution of components or unqualified service or maintenance will impair intrinsic safety. Contact Firecom for

intrinsically safe repair services.