Allen-Bradley 1492-JG4 Ground Terminal Block — 4 mm² feed-through ground block, green/yellow. The Allen-Bradley 1492-JG4 is a one-circuit IEC feed-through ground terminal block from the 1492-J series. It is rated for 4 mm² conductors (#22 AWG to #10 AWG) and also accepts 2.5 mm² wire (#22 AWG to #12 AWG). The block carries the standard green/yellow stripe grounding color and measures 6.1 x 60 x 39.5 mm..
MPN / SKU: 1492-JG4
1492-JG4 Applications
The 1492-JG4 ground terminal block bonds field and panel grounding conductors to the DIN rail, establishing a protective earth connection through the rail itself. Its green/yellow striped housing identifies it as a grounding block per convention, and it accepts 4 mm² conductors up to #10 AWG. It mounts among standard 1492-J blocks so ground terminations can sit inline with signal and power terminals. The screw feed-through connection provides a secure, low-resistance bond for safety grounding.
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