4.1 Grounding
4-1
HS0481357
HS0481357
4
Wiring
4.1
Grounding
Follow the local regulations and electrical installation standards for grounding. The recom-
mended grounding wire size is 5.5 mm
2
or more.
• Ground resistance must be 100
Ω
or less.
Failure to observe this warning may result in fire or electric shock.
• Before wiring, make sure to turn OFF the primary power supply, and put
up a warning sign. (ex. DO NOT TURN ON THE POWER.)
Failure to observe this warning may result in fire or electric shock.
• Wiring must be performed by authorized or certified personnel.
Failure to observe this caution may result in fire or electric shock.
• Never use this line sharing with other ground lines or grounding electrodes for other elec-
tric power, motor power, welding devices, etc.
• Where metal ducts, metallic conduits, or distributing racks are used for cable laying,
ground in accordance with Electric Equipment Technical Standards.
WARNING
CAUTION
NOTE
