Mitsubishi Electric FR-A806 Instruction Manual page 31

Main circuit terminals

EMC-compliant cable gland

General-purpose cable gland
(5) For the FR-A846-00470(18.5K) or lower, install the wiring cover.
(6) Connect cables to the terminals of the inverter.
(7) Install the front cover to the inverter. (Refer to
CAUTION
 Always use a waterproof cable gland (IP55 or higher) for the hole from which the protective bush is
removed because water may get into the inverter.
30
INSTALLATION AND WIRING
page 15)