Connecting AC Mains Power
When connecting the MR400 to the mains electrical supply, do not route the detachable power
cord where it will be an obstruction or stepped upon. Do not block access to the MR400 with
other equipment and never position the MR400 in such a way that would make it difficult to
To connect AC mains power
To remove the MR400 from AC mains power
Pull the plug of power cord from the AC wall outlet. Then, lift the strain relief and remove the
power cord from the AC receptacle on the rear of the MR400. Store the cord in a safe place.
1‐20 Important Information Expression MR400 Instructions for Use
Strain relief for retention of the power cord.
AC receptacle for connection of the power cord.
Only use the supplied power cord and connect to properly grounded AC outlets to
avoid electrical shock.
Avoid use of electrical extension cords or multiple portable socket outlets, which may
create a safety hazard by compromising the grounding integrity of the MR400.
Ensure that all cart batteries are installed and switched on; see
page 1‐16 for details.
If placing the MR400 in the MR magnet room, position the MR400
at a proper location; see page 3‐2.
Raise the strain relief; see page 1‐20 for the location.
Plug the power cord into the AC receptacle on the MR400; see
page 1‐20 for the location.
For added mobility, the power cord extension (REF 989803168221)
can also be connected.
Lower the strain relief over the power cord.
Plug the power cord into an approved AC mains outlet.