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#61-179 Carrying Case
The ST-1 is supplied with a lightweight carrying case to protect the units
and store the instruction sheet and accessories. Replacement cases can be
purchased from your authorized IDEAL distributor.
Troubleshooting
Locating Loose (High Resistance) Connections and Splices
Loose connections, splices and bad connections can be isolated by using
the SureTest to test receptacles in sequence along the branch circuit.
For example if the voltage drop at receptacle 5 is unacceptable, checking the
other receptacles in the branch can help isolate the problem. If receptacles
1 through 4 and 6 through 8 check out OK, than further investigation should
take place at the connection to receptacle 5. The additional resistance could
be due to a loose connection/splice. If receptacles 6 through 8 are also
unacceptable, chances are that the problem is in either the hot or neutral
conductor in the wall between receptacles 4 and 5.
If all of the branch receptacles have unacceptable voltage drops, the problem
is most likely in the circuit between the panel and the first receptacle or at
the panel. If all branches are in high resistance, the problem may be in the
circuit from the meter, or from the transformer to the service entrance.
Using the SureTest will help identify problem areas for further investigation
of the receptacles and/or branch circuit.
Troubleshooting Tips
Problem
Possible Causes/Solutions
High/Low Line Voltage
• Too much load on branch ñ also causing
excessive voltage drop
• Poor connection at receptacle
• Supply voltage too high/low
• Clean and tighten receptacle connections
• Consult power company
High Voltage Drop
• Too much load on branch
(5% recommended by NEC)
• Too many outlets on branch
• Diameter of wire too small
• Check and tighten connection at
receptacle
• Clean any corroded wires
• Replace outlet, switch
• Replace circuit breaker
High Ground-to-Neutral
• Current flowing in the neutral conductor
Voltage (Greater than
• Locate/repair source
2 Volts)
• Install surge suppression
High Ground Impedance
• Loose ground connection
(Greater than 1 Ohm)
• Check and tighten ground connections
• Clean any corroded wires
Failure of GFCI Test
• GFCI may be installed incorrectly
(GFCI will not trip)
• GFCI may be defective
• Check for proper connections
• Replace outlet
WARNING
Maintenance on electrical wiring should only be performed by quali-
tied personnel.
