Triplett Fox 2 & Hound 3 – PN: 3399 - Manual (Page 31)

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• The FOX 2 will not trace “live” AC or DC power wires. It is
protected against accidental application of 120VAC (“line
cross”).
• The only type of “live” circuit that the FOX 2 will trace is a
telephone circuit.
• The FOX 2’s tracer tone will not penetrate electrically con-
ductive materials . . . like any kind of metal or wet earth.
This means that the HOUND 3 cannot pickup the tone if the
target wire is in a metal conduit or is underground. The
HOUND 3 will pickup the tone at locations where the target
wire emerges from the conduit or the earth.
• The FOX 2’s tracer tone will penetrate wood frame walls
and ceilings, and plaster and drywall. Under good condi-
tions, a HOUND can pickup the tone from a foot or
more away from the target wire.
• The FOX 2’s tracer tone will pass through any electrical
circuitry connected to the target wire(s). Hence, to identify a
specific wire, it will be necessary to disconnect all loads and
circuitry from the wire. This includes switches, capacitors,
resistors, coils, transformers, lights, motors, etc.
• The FOX 2 tracer tone can be shorted out by any loads on
the target wire. All loads must be disconnected from the tar-
get wire.
8.1.8.1: Crosstalk and True Trace:
Crosstalk is the bleeding of the tracer tone from the target
wire onto adjacent wires. This often happens in multiwire
cables, or in cable harnesses where many wires are bundled
together in close proximity to each other. A tracer tone ap-
plied to a target wire or wires may crosstalk onto adjacent
wires. Some wires/cables are constructed to reduce the