NEC Express 320Lc-R - Manual (Page 22)

1-10 Before Using
CAUTION
Do not use nonconforming power cords.
Use the power cords specified by NEC. If the rated current is exceeded, there is
a risk of a fire.
You also have to observe the following prohibitions to prevent damage to the
cords.
Do not pull on the cord.
Do not pinch the cord.
Do not bend the cord.
Keep chemicals away from the cord.
Do not twist the cord.
Do not place any object on the cord.
Do not bundle several cords.
Do not alter, modify, or repair the cord.
Do not staple the cord.
Do not use any damaged cord. (Replace it with a new one of the same
specifications. For replacement procedures, contact your sales agent.)