Preparing To Wire The Ex De Increased Safety Models - Federal Signal Global Serie Instrucciones De Instalación Y Mantenimiento

9. Ensure that the unused wire entry is sealed with the provided
brass M20-1.5 x 6 g stopping plug (equipment-certified).

Preparing to Wire the Ex de Increased Safety Models

SHOCK HAZARD: To avoid electrical shock hazards, do not
connect wires when power/audio source is applied. Failure to
observe this warning may lead to serious injury or death.
This section has wiring instructions for the increased safety models
G-SPK 70 V and 100 V.
The maximum wire gauge is 4.0 mm
be rated 85 °C or higher. Use only stranded cable to terminate the
loudspeaker. The cross-sectional area of the primary earth (ground)
must equal the cross-sectional area of the phase conductor.
Cable termination should be in accordance with specifications
applying to the application. It is recommended that all cables and
cores should be fully identified. Use the appropriate cable gland for
the application. Gland entry threads are M20-1.5 6H.
Conductive metalwork, including cable glands, must be a minimum
of 5 mm away from the terminals.
Leads connected to the terminals shall be insulated for the appropriate
voltage and this insulation shall extend to within 1 mm of the metal of
the terminal throat.
The G-SPK terminal block is supplied with three poles and two
conductors per pole. The terminal block allows for easy supply-in and
loop-out wiring to connect the loudspeakers in series.
Tools needed:
• 3.0 mm A/F hexagon key
• No. 1 Phillips screwdriver
• Wire stripper
Model G-SPK Global Series Loudspeaker
Installation and Maintenance Instructions
(12 AWG). The wire must
2
17