Main Switch Board [MSB] Safeties
Electrical Safeties :
- Dead front type switchboard,
- Fuses,
- Relays,
- Circuit breakers,
- Earth fault indicators,
- Under Voltage relay,
- Reverse power trip,
- Preferential trip,
- Over current trip,
- Short circuit trip,
- Arc chute,
- Ebonite rod ( to remove static charge),
General Safeties :
- Insulated hand gloves,
- Dry Boiler suits,
- Shoes without metallic part,
- Rubber pad in front of switchboard,
- 0.6m gap behind switchboard,
- Panel doors to be earthed,
- Interlocked handles for opening doors.
- No water, oil, or steam pipeline in its vicinity.
Also Read: Maintenance of the MSB
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