2-4.4. Required Conduits in Island
The types of conduits in the Island are a function of the different equipment, and their location in
the Island. Basically, there are two functional conduits:
• High voltage conduits
• Low voltage conduits
The following conduits are required in the Island:
• High voltage conduits
o AC power for Islander PLUS
o Pump control from pumps to Islander PLUS
o Pump In-use signal from pumps to Islander PLUS
• Low voltage conduits
o Internet line from LAN at Office to Islander PLUS
o RS-232 communication line from TLG at office to Islander PLUS
o RS-485/422/C.L. or Tokheim
o Pulser from pumps to Islander PLUS
• Grounding
o At least 10 mm (OOO AWG) Grounding cable to pump chassis
o At least 10 mm (OOO AWG) Grounding cable to Islander PLUS pole
(Connected to the external chassis grounding post)
o Grounding cable to TLG – in accordance with TLG manufacturer
instructions.
• Tank conduit
o TLG probe
2-4.5. Required Conduits in Islander PLUS
Four conduits can be inserted in the Islander PLUS, each carrying specific wires, as listed in
Table 2-1 and shown in Figure 2-4.
Table 2-1. Conduits into Islander PLUS
No. Conduit Type Type
2 High voltage AC power, GND , In-use
3 High voltage Control
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