Heavy Power Cords

Sort of like the other mention of it... I'd add some layers of heat shrink, one at a time until the fitting was snug.

Of course, that's not helping the contacts get tighter but will help the cords from pulling loose.... also, I use plain old string to trace up the heavier cords to the rack itself... thereby taking the strain off the connection.

Blindjim suggestion is similar to my own, I use Tiewraps to hold the AC cable in place so there is no strain on the connector.

Likely the same results as he gets with string.

+1 to Samhar.

I use anything I can find to support the connector from underneath so that it is level (i.e., pencil erasers). Have this problem especially with my small DAC and a 14g PC, but also with my big ONK 805 avr and a 12g PC.

I've actually rigged up a little sling for both my amp and phono stage, where the weight of the cord wants to pull it down. I just took some string and looped it around the shaft of the cord by the IEC plug. Then I twisted a metal clip to atach to some point on the top of each component and attached the string (I used a picture hanger, but you could probably use a paperclip or something similar). Of course you will have to adjust the string tension to get it right, so I advise using a slipknot.

Enjoy,
Bob

Here's some options

IEC Saftey Retaining Clips

Here's another style Retaining Clip

Clips are not universal fit and may require some bending and fiddling to work

On this site Bulgin (upper right corner) appears to offer clips by "NEMA" type termination