Site Prep - U.S and Canadian Installations Mounting the TLS-IB
3-3
If the intrinsically safe wires enter the building in a wiring trough, only intrinsically safe
wires (from TLS-IB probes) can be in the trough. Keep all low power (intrinsically safe)
wiring physically isolated from high power wires in all wiring troughs per the NEC.
Mounting the TLS-IB
Install the TLS-IB fastening devices to the mounting surface using the hole pattern 170 x 145mm (6.7 x 5.7 inches)
shown in Figure 2-3 on page 2-6. Mounting screws up to 4.7mm (3/16-inch) diameter may be used.
Mount the TLS-IB to the mounting surface using the four mounting flanges on the back of the unit. Install ducting
or conduit between the TLS-IB and the power panel. Figure 2-3 shows the three designated knockouts (one each
on top, left side, and bottom) through which power wiring can safely enter the TLS-IB.
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