Electrical Preventive Maintenance: Checklist and Guide

What Goes Into Electrical Preventive Maintenance?

Today, most commercial establishments make use of large electrical systems to operate. In line with recent developments, most new networks that provide power supply offers protective devices. However, this does not make them prone to electrical failures.

The need for electrical preventive maintenance could not be emphasized in simpler words. It helps to ensure that electrical distribution remains uninterrupted. The outage downtime resulting from any electrical failure can be minimized and prevented.

Today, most modern electrical equipment can be quite complex, so preventive maintenance may be the only solution. In the long run, it can help save on significant maintenance costs.

This article will acquaint you with the various aspects of electrical preventive maintenance so you can completely grasp its importance.

  1. What Is Electrical Preventive Maintenance All About?
  2. Industrial And Commercial Establishment Electric Preventive Maintenance Checklist 
  3. What Does It Take To Develop A Preventive Maintenance Assessment? 
  4. Lifecycle Of Equipment
  5. Use Of A Maintenance Management Software

What Is Electrical Preventive Maintenance All About?

What Is Electrical Preventive Maintenance All About?

Maintenance procedures help prevent damage and malfunction from occurring with electrical connections. It extends to include local networks as well under its purview.

Typically, electrical preventive maintenance is carried out at residential locations, commercial establishments that employ heavy equipment preventative maintenance, and healthcare facilities. It depends on the facility’s size and whether they may have an in-house electrician or some third-party personnel to perform the maintenance tasks.

Given the delicate nature of electrical fittings, most facilities still do not consider the importance of preventive maintenance. It makes electrical preventative maintenance programs all the more critical. Some of the necessary procedures which are included in every electric preventive maintenance program are as follows:

  • Inspect common areas such as the living rooms, including the kitchen, bedroom, bathroom, and more.
  • Examine circuit breakers, distribution systems, panel boards, and similar inlets and outlets.
  • Surveying service equipment and residential feeders.
  • Checking commercial transformers, wiring manifolds, and capacitator.
  • Examining how well different monitoring systems are running under hazardous localities.
  • Surveying units that are predominantly occupied.

Ideally, a professional contractor will assess all potential electric malfunction signs, including loose connections, short circuits, and explosions.

Industrial And Commercial Establishment Electric Preventive Maintenance Checklist 

Unsurprisingly, most commercial establishments require and consume a considerable load of electricity. It happens daily; some places even need a dedicated maintenance team to take care of their power supply sources.

So, to ensure that carrying out the electric preventive maintenance is followed well, a few vital factors need to be considered each time. Included among these are the following.

  1. Assessment of various power meters and checking whether they are functioning normally. Occasionally, they should be shut down for maintenance purposes.
  2. Checking the function of different indicators, warning lights, and sensors to find if they are working optimally.
  3. Conduct a torque test and pay special attention to bolted electrical connections, which may be explicitly required for specific areas.
  4. Conduct a visual inspection of control points, which are of prime importance, and check if there are any signs of deterioration or overheating.
  5. From time to time, battery tripping packs should be disassembled, and the battery’s integrity must be assessed for any visible signs of damage from heat or corrosion.
  6. Survey thermal imaging with the help of specific thermography equipment.
  7. If there are any persisting signs of overheating, then single areas and pieces must be removed for replacement.
  8. Pay special attention to motor control circuit units and assess if enough overcurrent protection is available.
  9. All motor disconnects should be located close to the motor itself and must be accessible for maintenance purposes.
  10. Assess the performance of multi-unit conductors and check if they can provide power to all the connected units as per the designed connections.
  11. Aspects of a ground fault and feeder circuit protection must be closely assessed for the assigned application and its purpose.
  12. Transformers above 1000 volts should have adequate protection from overcurrent conditions, and necessary protection must be installed if deemed fit.
  13. Transformers must be inspected for their performance and checked if they can disconnect immediately.
  14. All machinery must be surveyed, and every moving system, such as an elevator, must be checked for wiring or voltage supply issues.
  15. All room circuits must be checked to ensure that they are rated for the number of machines being operated and ancillary electric equipment to which they may be attached.

What Does It Take To Develop A Preventive Maintenance Assessment? 

Preventive maintenance is a way to ensure that minor upkeep on equipment is performed on a timely basis. Ideally, it should be completed before the lifecycle of equipment comes to an end. It will ensure that precious resources are not spent on meeting emergency maintenance of such equipment.

To conduct preventive maintenance, some crucial factors should be considered. They are discussed below.

Lifecycle Of Equipment

It may not be cost-effective to perform the same maintenance level on every piece of equipment. Today, modern-day appliances are designed such that they may not even require such a degree of care. Some equipment may also have a self-diagnosing system built into them.

The ideal approach is collecting details about equipment and machinery that require a similar approach to fix. Then, it may be possible to work on them together as a batch and not individually.

Use Of A Maintenance Management Software

Today, Computerized Maintenance and Management Software is on the rise. These systems are being used on a global scale, which helps streamline maintenance and related activities.

By integrating this software into the maintenance framework, personnel will function better and complete related tasks earlier. It may even amount to the saving of resources and the performance of redundant tasks.

Conclusion

With the changing landscape of digital and global industries, newer processes make their way into the framework of maintenance jobs. However, technologies such as CMMS can significantly impact the effectiveness of system maintenance jobs. Slowly, it will pave the way for a cost-effective and efficient management system.

Preventive maintenance measures are cost-effective and carried out without pressure on facilities running with specific targets. In this scenario, there is a long way to go and perform for the benefit of various industries.

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