Amprobe AT-7000 User Manual download pdf (Page 22)

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:

SCAN - Scan each breaker for one second. The receiver will record tracing signal levels.

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

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 109 110

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Amprobe AT-7000 User Manual Page 22

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