Specifications
Electrical testing and certifications – continued:
• Low voltage alarm test: following the completion of the above tests the engine shall be shut off. The
total continuous electrical load shall be activated and continue to be applied until the excessive battery
discharge alarm activates. The battery voltage shall be measured at the battery terminals. With the
load still applied, a reading of less than 11.7 volts dc for a 12 volt system shall be considered a test
failure. The battery system shall then be able to restart the engine. Failure to restart the engine shall be
considered a test failure
Console and Switch Panel:
A custom fabricated electrical console and enclosure shall be located between the driver’s and passenger’s seat
and shall include six (6) control switches in a removable panel. Two (2) fire department supplied radio heads
shall also be accommodated in this space. Construction shall be of smooth aluminum or composite material
with a hinged top and shall house cab mounted electrical switching devices and equipment as required.
The console shall accommodate the following:
• Tow (2) customer supplied radios
• Two (2) hand lights with chargers
• One (1) customer supplied radio head
• Siren controller
• Bin with cover for storage of crew personal items
Battery switch – master disconnect:
• Battery disconnect rocker switch controlling the 12 volt power supply from the battery system shall be
located conveniently to the driver
• A light indicating that the master switch is on shall be included
Battery charger:
• A high output automatic battery charger, Kussmaul Autocharge 1000 model #091-56-12, or equivalent
shall be provided
• Battery charger shall be wired to the 12 volt battery system
• Battery charger shall be wired to the specified shore power receptacle
120 Volt shore power receptacle:
• An “auto eject” shore power receptacle, Kussmaul model 091-55xx -120 20 amp, or equivalent shall be
provided with hinged weatherproof cover and enclosure
• Shore power plug shall be “ejected” when the chassis’ engine starter is engaged and the receptacle shall
be wired to any 120 volt A/C equipment requiring shore power
• Receptacle shall be located on the driver’s side rear of the chassis (rear of crew cab door)










