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2.2 The EMS has been designed to use three-quarter (3/4) inch <br />conduit for a 1-4 tank system and one (1) inch conduit for <br />tank system. <br />2.3 The conduit may be single runs from the building to each probe <br />manway or one conduit run to one probe manway and looped vi, <br />the remaining probe manways. <br />2.4 If the conduit is looped from tank to tank, junction boxes must <br />be installed in each manway. <br />2.5 Some local codes may require that an explosion proof box be <br />installed above the EYS fittings in the probe manway. <br />2.6 The conduit for the in -tank probe cables from the EMS console <br />to the manway shall have no other wiring, including external EMS <br />probe cables, as only the probe signal cable is allowed in this <br />conduit. <br />2.7 Use the shortest possible path for each conduit run. The standard <br />kit will include 250 feet of cable. If longer runs are required, <br />consult with the TIDEL EMS SERVICE DEPARTMENT. <br />2.8 An EYS fitting (seal -off) must be installed at the probe and <br />console ends of each conduit run. Review Figure I for the clearance <br />required for the conduit to clear the probe union housing that <br />will be installed on the riser pipe. <br />2.9 Figure III shows the proper method to route the conduit from <br />the EYS fittings inside the facility to the console location for <br />a standard three tank system. <br />2.10 Flexible conduit is acceptable inside the facility if local codes <br />permit. <br />2.11 Pull strings must be provided in all conduit runs for pulling the probe <br />signal cables from the probe manways to the EMS console. <br />