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8 Using the Accessories
8. Using the Accessories
8.1 Using the LPC Separation Filter
The LPC separation lter (LPC) is used to safely inject a trace tone to a live cable via a domestic mains socket, so that the cable
can be traced from the premises to the connection in the street. It is suitable for connecting to voltages up to 250V AC.
Method:
1. Plug the LPC into the output socket of the transmitter.
2. Identify a suitable main socket. If a switch is tted to the socket, switch o. Plug in the LPC to the mains socket and then
switch back on.
3. Set the LPC rotary switch to match the two indicator lights.
4. Set the transmitter to the frequency to be located.(8 kHz or 32 kHz are good frequencies for this application).
5. Set the output to mid-range.
8.2 Using the Analogue A-frame Fault Finding Accessory
The analogue A-frame accessory is used to detect ground faults on pipes and cables. In the case of pipes, the faults consist of
coating defects. In the case of cables, faults are usually caused by insulation damage allowing the metallic sheath (or internal
conductor) to become in contact with the ground.
It is intended to be used with the vLoc3-Pro range of locators and will require a fault find signal applied to the faulty conductor
from a Vivax-Metrotech compatible transmitter.
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