Safety precautions

Installation, wiring, testing and service must be performed in accordance with all local and national electrical codes.
  • Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices. See NFPA 70E in the USA, CSA Z462 or applicable local standards.
  • Turn off all power supplying this device and the equipment in which it is installed before working on the device or equipment.
  • Always use a properly rated voltage sensing device to confirm that all power is off.
  • Follow guidelines in the Wiring section of the related Installation Sheet.
  • Treat communications and I/O wiring connected to multiple devices as hazardous live until determined otherwise.
  • Do not exceed the device’s ratings for maximum limits.
  • Never short the secondary of a potential/voltage transformer (PT/VT).
  • Never open circuit a current transformer (CT).
  • Always use grounded external CTs for current inputs.
  • Do not use the data from the meter to confirm power is off.
  • Replace all devices, doors and covers before turning on power to this equipment.
Failure to follow these instructions will result in death or serious injury.
NOTE: See IEC 60950-1:2005, Annex W for more information on communications and I/O wiring connected to multiple devices.
Unintended Operation
  • Do not use this device for critical control or protection applications where human or equipment safety relies on the operation of the control circuit.
  • Do not use this device if a wrench icon appears on the top corner of the display screen or if the value under Meter Status is not “OK”.
Failure to follow these instructions can result in death, serious injury, or equipment damage.
Potential compromise of system availability, integrity, and confidentiality
  • Change default passwords/passcodes to help prevent unauthorized access to device settings and information.
  • Disable unused ports/services and default accounts, where possible, to minimize pathways for malicious attacks.
  • Place networked devices behind multiple layers of cyber defenses (such as firewalls, network segmentation, and network intrusion detection and protection).
  • Use cybersecurity best practices (for example: least privilege, separation of duties) to help prevent unauthorized exposure, loss, modification of data and logs, interruption of services, or unintended operation.
Failure to follow these instructions can result in death, serious injury, or equipment damage.
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