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Probe and Sensor Conduit Installation - Wiring Run Methods <br /> Probe and Sensor Conduit Installation <br /> e . <br /> Probes and sensors operate in areas where flammable liquids and <br /> .° explosive vapors may be present. <br /> Improper installation may result in fire or explosion causing serious <br /> injury or death. <br /> Practice the following: <br /> 1. Read thoroughly and follow the instructions shipped with each <br /> probe and sensor. <br /> 2. Probe and sensor wiring conduit must not contain any other <br /> wires. <br /> 3. Probe and sensor wiring and conduits must enter the console <br /> only through their designated areas (see Figure 2). <br /> 4. Power and communication wires and conduit must not enter the <br /> intrinsically safe compartment of the console. (see Figure 2). <br /> Wiring Run Methods <br /> Two wiring run methods are commonly used for probes and sensors-Wiring pulled <br /> through buried,sealed 1/2"rigid conduit;or direct burial cable.NOTE: Rigid PVC <br /> conduit is an acceptable alternate where accepted by local codes,BUT shielded cable <br /> must be used for probe and sensor wiring[ref."National Electrical Code Compliance" <br /> on page 4 for more detail on cable requirements]. <br /> 25 <br />