Utility Solutions BREAK-SAFE USBS-15-1-PS Operation Manual page 7

Resistance Test
An optional Resistance Test may be performed in between scheduled maintainance.
This test DOES NOT replace scheduled maintenance or extend the time between
scheduled maintenance.
This test is performed using the Utility Solutions USGT-600 Grounds Tester w/ REACH
Technology or equivalent device. Refer to the testers' instruction manual for proper set-
up procedures.
1. The BREAK-SAFE
the closed position and RESET
with the external brass contacts
fully seated.
2. Connect the
Conductor Hook to a Current
Output Post on the Grounds
Tester (A). Position and support
the BREAK-SAFE
weight of the tool does not apply
sideways force on the Current
Output post (a small block of
wood should suffice).
3. Connect a standard Mechanical
Jumper (minimum 6 feet, 1/0
AWG, 300 AMP) to the other
Current Output
the Grounds Tester and the
conductor bar of the BREAK-
SAFE (B).
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4. Put the Grounds Tester in
REACH mode.
5. Turn on the Grounds Tester and
adjust the Current Control Knob
to energize to 300 AMPS.
6. Using the red and black Jumper
Leads on the Grounds Tester,
measure the voltage on the
BREAK-SAFE
lower jaw of the Conductor Hook
(A) and the Parking Stand (B) .
7. Voltage drop should not exceed 0.220 volts. If the voltage displayed exceeds 0.220
volts the tool should be removed from service. Maintenance should be performed by
the factory or by trained and certified personnel.
B-01031 USBS Manual (12-19-18)
should be in
®
BREAK-SAFE
®
so the
®
Posts of
between the
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7
A
B