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Operating Instructions
Guidelines Before Testing Begins
The relatively high voltages used in dielectric-strength testing pose
significant dangers to life, necessitating utmost care in conducting
such tests. The following precautions are considered minimal and, if
adhered to, should ensure a reasonable level of safety:
• Test areas should be enclosed by fencing, partitions, or portable
barriers painted red. Utilizing a safety cage whenever feasible
is recommended.
• Access to test areas should be restricted to trained and authorized
personnel only.
• Electrical equipment should never be handled when hands, feet,
or body are wet or perspiring, or when standing on a wet floor.
High-voltage gloves are advisable, particularly in high humidity or
corrosive atmospheres, or where airborne solvents are present.
• Assume all floors are conductive and grounded under high-voltage
conditions unless covered with well-maintained dry rubber matting
suitable for electrical work. Such matting provides a safe platform
for operators.
• Clearly visible warning signs cautioning against high voltage dangers
should be prominently displayed around test areas, prohibiting
entry for unauthorized personnel. Red warning lights should be
activated when high voltage is active. High-voltage tests should only
be performed by one person at a time to avoid potential accidents.
However, an operator should never be left entirely alone, with
assistance readily available in case of emergencies.
• Avoid touching the test clips when high voltage is active.
• High-voltage gloves must be worn when using the tester as a
portable unit, ensuring safety when moving between test locations.
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