Temporary power connection do's and don'ts
- Ensure taking a work permit from the site in charge and conduct a Tool Box Talk.
- All electrical jobs to be conducted by a certified electrician.
- Ensure all the equipment is flameproof.
- Equipment that operates in three-phase power should have double neutral earthing.
- The use of an Earth-leakage circuit breaker is a must for all the equipment.
- The current rating for all equipment should not be greater than 30Amps.
- Ensure use of proper rating Direct On Line Motor Starter in individual machines.
- Ensure use of proper armored cables for the main power connection.
- If there are cable lying on the road crossings or pathways should be covered and concealed to protect them from physical damage.
- Cables without any joints should be used at all times.
- Cables should be laid above the ground to the maximum possible extend.
- Electrical connections should be kept clean, dry, and tight at all times.
- Ensure all power supplies are switched off from the feeder pillar immediately if the equipment is not in use on a daily basis.
- Maintenance person should be informed after completing the job if there is no requirement for the temporary power.
- Don’t use power supply above 24 V inside confined spaces.
- Do not lay the unarmored cable on the ground
- Do not twist and carry connections between two cables.
- Do not keep a temporary feeder pillar near water.
- Do not sublet any temporary connection to another contractor.
- Do not increase the load without informing the electrical maintenance department for a temporary power supply.
- Do not allow an unauthorized electrical person on the job location.
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