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4-1
Chapter 4 Electrical Wiring
WARNING
Only authorized engineers are permitted to perform the installation or wiring work. Failure to do so
may cause a fire or electric shock.
Authorized engineers are those who have instrumentation work and electrical work skills.
Do not perform wiring work with wet hands. Doing so may cause an electric shock.
Before starting wiring work, be sure to dry your hands or use appropriate gloves, and turn off the
power. Failure to do so may cause an electric shock.
CAUTION
Perform the grounding work in the correct manner in accordance with the instructions in this manual.
Incorrect grounding may adversely affect the output or cause a malfunction.
Use a power supply with an overcurrent protection function for this product. (Overcurrent value:
50 mA or less)
Perform wiring work correctly while carefully checking the specifications. Incorrect wiring may
damage the device or cause an operation error.
Use the power supply correctly in accordance with the specifications. If a different power supply is
input, this may damage the device.
Do not open the case of the junction box if there is strong wind or rain. Otherwise, water will enter the
junction box, causing a malfunction.