E
E
E
E
G
G
G
G
L
L
L
LO
O
O
OSSS
SSSS
SA
A
A
AR
R
R
RY
Y
Y
Y O
O
O
OF
F
F
F
T
T
T
T
E
E
E
ER
R
R
RM
M
M
MSSS
S
A
A
A
AN
N
N
NR
R
R
R ((((A
A
A
Ab
b
b
bsssso
o
o
ollllu
u
u
utttteee
e N
N
N
Nu
u
u
um
m
m
meee
errrriiiicccc R
R
R
Reee
essssp
p
p
po
o
o
on
n
n
nsssseee
e))))::::
The number in the upper left corner of
the Triad
Receiver display which indicates the amount of signal being
received referenced to an absolute internal scale The number always
corresponds to the absolute physical strength of the signal being received
and ranges from
to
(dynamic range
dB)
C
C
C
Co
o
o
on
n
n
nd
d
d
du
u
u
uccccttttiiiivv
v
veee
e::::
In general the ability of an object to carry an electrical current
In line tracing "conductive" refers to any line that can carry a current
(typically metallic) Also "conductive" refers to the method of energizing a
line via direct connection
C
C
C
Cu
u
u
urrrrrrrreee
en
n
n
ntttt::::
A physical quantity that indicates the rate of electron flow in a
conductive line
D
D
D
DC
C
C
CC
C
C
C::::
Acronym that stands for Direct Connection Cable which is used to
energize a line via electrical contact
E
E
E
En
n
n
neee
errrrg
g
g
giiiizzzziiiin
n
n
ng
g
g
g::::
Causing a line to carry a tracing current Normally this is done
either by direct connection or by indirect induction
F
F
F
Frrrreee
eq
q
q
qu
u
u
ueee
en
n
n
nccccyy
y
y::::
The cycle rate of an electronic signal In locating applications
the frequency is used to identify the target line or sonde
G
G
G
Grrrro
o
o
ou
u
u
un
n
n
nd
d
d
d::::
A reference point with respect to some active voltage level In line
tracing applications ground represents the return point for current flow
along an energized line
G
G
G
Grrrro
o
o
ou
u
u
un
n
n
nd
d
d
d R
R
R
Ro
o
o
od
d
d
d::::
A metallic probe that is typically plunged into ground soil to
provide a return point for tracing current Typically the user connects the
ground lead (black) of the DCC to the inserted ground rod
IIIIn
n
n
nd
d
d
du
u
u
uccccttttiiiivv
v
veee
e::::
The method of energizing a line without touching it using an
energizing field
IIIIn
n
n
nd
d
d
du
u
u
uccccttttiiiio
o
o
on
n
n
n SSS
Sllllo
o
o
op
p
p
po
o
o
ovv
v
veee
errrr::::
Unwanted inductive energizing of lines that are in the
proximity of an active inductive transmitter or a nearby energized line
L
L
L
Liiiin
n
n
neee
e::::
Any wire cable pipe or conduit In general a line must be conductive
in order to qualify for energizing and tracing
L
L
L
Lo
o
o
oo
o
o
op
p
p
p::::
A closed conductive circuit that typically allows energizing current to
flow only along the conductors that make up the circuit itself
M
M
M
Maaa
an
n
n
niiiiffffo
o
o
olllld
d
d
d::::
Multiple lines typically joined at a common junction often
running parallel with respect to each other and usually in close proximity of
each other
N
N
N
Nu
u
u
ullllllll::::
Conventionally used method of location in which the signal response
vanishes indicating tell tale locations around the target of interest Like
PEAK mode NULL mode is directional referenced vertically
