Figure 10 - Swivel Mount Removal and Replacement
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.
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) |
31