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1. Prepare for work. Do an on-site risk assessment or hazard analysis.
2. Clearly identify the workplace and equipment.
3. Disconnect all sources and secure them against reconnection.
4. Verify the absence of operating voltage. Always test before you touch.
5. Carry out earthing and short-circuiting.
6. Protect against adjacent live parts and take special precautions when close to bare conductors.
7. Complete the work permit and “walk the permit.”
Remember: Check the availability of emergency equipment before the intervention begins.
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