1- Electrical LT panel PPM maintenance checklist:

Electrical panel is a costly electrical device which is used for power receiving and distribution. Preventive maintenance is a important activity for keeping good health of electrical panel. Many type maintenance activity is carried out as monthly, quarterly, half yearly and yearly.
These all activities is carried out according maintenance checklist which is written step by step maintenance process.

2-Format of electrical LT panel PPM checklist:

3 - Types of electrical panel maintenance checklist:

• Monthly
• Quarterly
• Half Yearly
• Annually or Yearly

4-Details of safety guideline for electrical panel PPM activity:

During PPM activity we should follow safety guideline for stopping any misshaping. Safety related some points below mentioned.

• Isolate electrical energy source from incoming electrical panel.
• Use lock out and tag out on the electrical incoming source panel.
• Use insulated tools.
• Use personal protective equipment as safety shoes, helmet etc.
• After completion activity remove tools and tackles.
• After completion remove safety lock and signboard or tag.

5-Electrical maintenance activity checkpoints:

• Ensure and check no power supply before starting PM activity.
• Check all busbar connection properly.
• Check panel earth connection properly.
• Check panel earth connection properly.
• Check all measuring meters as volt meter, amp meter etc.
• Check all indicators, selector switch and push button.
• Check circuit breaker input and output terminal hot spots.
• Check circuit breaker protection settings as overload, short circuit and earth fault.

Parameters status :

After carried out maintenance activity we should check parameters for equipment better health.

• Incoming Voltage
• Check load according capacity.
• Check parameters according default limit.
• Check any abnormal sound.

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