Mitsubishi Electric MR-J2S-*B Series Instruction Manual page 70

3. SIGNALS AND WIRING
(2) Connection
(a) When the cable is inserted directly
Insert the cable to the end pressing the button with a small flat-blade screwdriver or the like.
Small flat blade
screwdriver or the like
(b) When the twisted wires are put together using a bar terminal
Insert a bar terminal with the odd-shaped side of the pressured terminal on the button side.
When two cables are inserted into one opening, a bar terminal for 2 cables is required.
Button
Twisted wire
Bar terminal for one
wire or solid wire
3 - 27
When removing the short-circuit bar
from across P-D, press the buttons
of P and D alternately pulling the
short-circuit bar. For the installation,
insert the bar straight to the end.
Bar terminal for two wires