GE JB940 Owner's Manual page 54

Installation of the range.
Read these instructions completely and carefully.
6
3-Wire Conduit Installation
Remove the 3 screws from the connector block. Insert bare wires between the
connector block terminals and movable nuts. Tighten screws securely. Do not
remove ground strap connection.
WARNING: Connector block is approved for copper wire connection
only. If aluminum wire is used, see note below.
NOTE: ALUMINUM WIRING
Do not connect aluminum wire to the connector block.
a
Use copper building wire rated for the correct amperage and voltage to
make 3 (three) 3 copper jumper wires. Connect wire as per Step 6 or 7
depending on number of wires.
Splice copper wires to aluminum wiring using special connector terminals
b
designed and UL-approved for joining copper to aluminum and follow the
connector manufacturer's recommended procedure closely.
Wire used, location and enclosure of splices, etc., must conform to good wiring practices
and local codes.
Bare wire
Movable nut
54
Screw
Connector block
Connector block terminal
Flexible cable
Bracket
Bare wire tips
Conduit