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INTRINSICALLY SAFE USAGE
Selected portable radios with appropriate factory
installed F4 Options are certified as Intrinsically Safe
by the Factory Mutual Research Corporation. Intrin-
sically Safe approval includes Class I, II, III, Division
1 hazardous locations in the presence of Groups C,
D, E, F and G atmospheres. Non-Incendive approval
includes Class I, Division 2 hazardous locations in
the presence of Groups A, B, C, and D atmospheres.
Hazardous locations are defined in the National
Electrical Code. Useful standards NFPA 437A and
NFPA 437M for the classifications of hazardous areas
may be ordered from the National Fire Protection
Association, Batterymarch Park, Quincy, MA 02269.
BATTERIES
Only batteries identified with a green latch shall
be used with a portable radio that is rated and labeled
as Factory Mutual Intrinsically Safe. Use of nonspe-
cified batteries voids Factory Mutual approval. The
following battery pack options are approved for use
in intrinsically safe radios:
•
PAPA1F Rechargeable Battery, Extra High
Capacity (Tall Case)
•
PAPA1G Rechargeable Battery, High Ca-
pacity (Short Case)
Figure 10 - Swivel Mount Removal and Replacement
31