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emissions. An advanced electrical system will be used to ensure radiated and conducted <br />electromagnetic interference (EMI) or radio frequency interference (RFI) emissions are suppressed at <br />their source. <br />The apparatus will have the ability to operate in the electromagnetic environment typically found in fire <br />ground operations to ensure clean operations. The electrical system will meet electromagnetic <br />susceptibility conforming to SAE J1113/25 Region 1, Class C EMR for 10Khz-1GHz to 100 Volts/Meter. <br />The vehicle OEM, upon request, will provide EMC testing reports from testing conducted on an entire <br />apparatus and will certify that the vehicle meets SAE J551/2 and SAE J1113/25 Region 1, Class C <br />EMR for 10Khz-1GHz to 100 Volts/Meter requirements. <br />EMI/RFI susceptibility will be controlled by applying appropriate circuit designs and shielding. The <br />electrical system will be designed for full compatibility with low-level control signals and high-powered <br />two-way radio communication systems. Harness and cable routing will be given careful attention to <br />minimize the potential for conducting and radiated EMI/RFI susceptibility. <br />ELECTRICAL <br />All 12-volt electrical equipment installed by the apparatus manufacturer will conform to modern <br />automotive practices. All wiring will be high temperature crosslink type. Wiring will be run, in loom or <br />conduit, where exposed and have grommets where wire passes through sheet metal. Automatic reset <br />circuit breakers will be provided which conform to SAE Standards. Wiring will be color, function and <br />number coded. Function and number codes will be continuously imprinted on all wiring harness <br />conductors at 2.00" intervals. Exterior exposed wire connectors will be positive locking, and <br />environmentally sealed to withstand elements such as temperature extremes, moisture and automotive <br />fluids. <br />Electrical wiring and equipment will be installed utilizing the following guidelines: <br />1. All holes made in the roof will be caulked with silicon. Large fender washers, liberally caulked, <br />will be used when fastening equipment to the underside of the cab roof. <br />2. Any electrical component that is installed in an exposed area will be mounted in a manner that <br />will not allow moisture to accumulate in it. Exposed area will be defined as any location outside <br />of the cab or body. <br />3. Electrical components designed to be removed for maintenance will not be fastened with nuts <br />and bolts. Metal screws will be used in mounting these devices. Also a coil of wire will be <br />provided behind the appliance to allow them to be pulled away from mounting area for <br />inspection and service work. <br />4. Corrosion preventative compound will be applied to all terminal plugs located outside of the cab <br />or body. All non -waterproof connections will require this compound in the plug to prevent <br />corrosion and for easy separation (of the plug). <br />5. All lights that have their sockets in a weather exposed area will have corrosion preventative <br />compound added to the socket terminal area. <br />6. All electrical terminals in exposed areas will have silicon (1890) applied completely over the <br />metal portion of the terminal. <br />47 of 89 <br />