Amprobe AT-7000 - Manual (Page 22)

18
3.3 Identifying Breakers and Fuses
Energized breaker locating
BREAKERS
Connecting transmitter test leads
1. Use test leads with standard plug
connection for receptacles and black and
red test leads with alligator clips when
connecting to wires.
2. Plug test leads into Transmitter. Polarity
is not important.
3. Connect plug to outlet, or if using test
leads connect them to hot and neutral
wires.
Note: For breaker locating, a simplified
direct connection to hot and neutral wires
can be used because these wires are
separated at the breaker panel. There is no
risk of signal cancellation effect if wires are at least a few inches (centimeters) away from
each other. However the separate ground connection as shown in Energized TIP SENSOR
should be used for superior results specifically if wires need to be traced in addition to
breaker identification.
The simplified direct connection to hot and neutral wire will NOT trip the GFCI circuit.
Set up the AT-7000-T Transmitter:
1. Press ON/OFF key to turn on the transmitter.
2. Verify that the test leads are properly connected - the red LED voltage status indicator
should be on, indicating that the circuit is energized. If not, make sure that
• the circuit is energized
• the test leads are fully plugged into the transmitter
• ground green wire is properly grounded (if using separate ground connection
method). If the ground wire is not properly grounded the red LED will not light, even
when connected to an energized circuit.
3. Select HIGH signal mode for breaker tracing.
Receiver Process Overview
Tracing breakers is a two-step process:
1 SCAN - Scan each breaker for one second. The receiver will record tracing signal levels.
2 LOCATE - The receiver will indicate the single breaker with the strongest recorded signal.
Using AT-7000-R Receiver
1. Press ‘ON/OFF’ push button to turn on the receiver and wait for the home screen (boot
up time is around 30 seconds).
2. Select Energized BREAKERS mode by using the directional arrows to highlight this
operating mode and pressing the yellow “ENTER” button.
3. main aPPLications - breaKers (energized)
BREAKERS
Figure 3.3a