Safety Precautions - Delta DPM-C501L Operation Manual

DPM-C502
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1.3

Safety Precautions

Notes on Installation
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 Install the power meter according to instructions on the manual. Apply appropriate
personal protective equipment (PPE) and follow safe electrical work practices.
 Only qualified electrical workers should install this equipment. Such work should be
performed only after reading this entire set of instructions.
 Operate the power meter according to instructions on the manual. Neglecting
fundamental installation requirements may lead to personal injury as well as damage
to electrical equipment or other property.
This equipment should be installed in a suitable insulation and fireproof enclosure.
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Notes on Operation
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 DO NOT work alone.
Before performing visual inspections, tests, or maintenance on this equipment,
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disconnect all sources of electric power.
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Always use a properly rated voltage sensing device to confirm power is off.
 Replace all devices, doors and covers before turning on power to this equipment.
Carefully inspect the work area for tools and objects that may have been left inside
the equipment.
Notes on Operation
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Never short the secondary of a Power Transformer (PT).
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 Never open circuit a Current Transformer (CT)
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Ensure the secondary winding of the CT is fixed securely on the equipment. It may
damage the equipment if the secondary winding become loose during operation.
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When used with CTs, make sure the CTs are UL2808 listed in America / Canada areas
and meet or exceed the accuracy specifications for IEC61869-2 class or accepted by
authority having jurisdiction (AHJ) in other areas.
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