| 11. | The instructions weren't too clear about attaching the ground wire.
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| 12. | An opto-isolator connects input and output sides with a beam of light ground wires.
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| 13. | If the box is plastic touch the bare ground wire.
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| 14. | Out of curiosity, I also measured the voltage between the neutral and ground wires.
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| 15. | There also shouldn't be enough extra ground wire for it to reach the terminals.
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| 16. | In this case, the ground wire will not be connected.
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| 17. | An open ground may occur if the copper ground wire comes loose from its connection.
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| 18. | The bridge ground wire was connected here with a common connection to the pickguard ground.
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| 19. | Connect the ground wires as indicated by the manufacturer.
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| 20. | Never connect the ground wire to a gas pipe.
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