15
TM30 User Manual v. X1.0
7.2.2 Live mains cables
Task: The route of a live electric cable must be traced above ground.
-
Connect one transmitter output terminal to the protective earth wire of the cable
or e.g. to a wall socket PE contact. If the task is to trace the feeder cable of a
metallic light pole, transmitter can be connected to the earthed pole itself.
-
Connect transmitter second output terminal to a good grounding as far as
possible from the transmitter using a ground pick and press it deep into damp
soil for best earth connection.
-
Choose
Cable route
mode with receiver.
-
Trace the feeding cable route by following the signal minimum in the receiver
nose direction.
7.2.3 Cables that can’t be reached for galvanic feeding
Task: The route of a live or neutral cable must be traced above ground
but cable ends can’t be reached.
-
Connect transmitter to a clamp-on transformer such as
PM50
or
PM100
. Place
the clamp around the cable in a place where the cable is visible.
-
Choose
Cable route
mode with receiver.
-
Trace the cable route by following the signal minimum in the receiver nose
direction. This method requires that cable is grounded at both ends.
