Power converting apparatus

A power converting apparatus configured to convert alternating current power into direct current power or convert direct current power into alternating current power, the power converting apparatus comprising:

• a housing comprising:
• a housing base having a first surface and a second surface and comprising a through hole;
• a main body comprising a plurality of electronic components on the first surface of the housing base;
• and
• an air duct through which cooling air flows on the second surface of the housing base;
• a cable disposed through the through hole of the housing base so as to be wired between the main body and the air duct;
• and
• a grommet supporting member in at least one of the air duct or the main body, the grommet supporting member supporting a grommet through which the cable is disposed, the grommet supporting member being not integral with the housing base,
• wherein the grommet supporting member comprises:
• a holder through which the grommet is disposed so as to hold the grommet, the holder comprising a close contact portion extending parallel to and in close contact with a circumference of the through hole of the housing base;
• and
• a gasket disposed on the close contact portion at a location sandwiched between the close contact portion and the circumference of the through hole of the housing base.