Chapter: Electric Energy Generation and Utilisation and Conservation - Illumination

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Industrial Luminaries

Coming to industrial areas if in the Interior-up to 6m Fluorescent Lamp with matt white reflector are employed.

Industrial Luminaries:

 

Coming to industrial areas if in the Interior-up to 6m Fluorescent Lamp with matt white reflector are employed. In High bays beyond 6m Discharge Lamps with Mirror Reflectors are employed. Luminaries in Hazardous Areas are specially designed. They are encapsulated in boxes made of steel or cast iron exterior housing to avoid any explosion, sturdy resisting pressure.

 

Categories of Explosive Areas:

 

In this respect explosives are as are categorized as

Zone 0 – Explosive all the time,

 

Zone 1 – Normally Explosive and

Zone 2 – Explosive Abnormally.

 

Here moisture & dust are taken care by Gasketted Luminnaires – Completely sealed eg: in a Shower or a Laundry. Emergency Lighting is required when normal lighting fails. Escape Lighting sufficient for evacuation typically 1 – 10 lx. Safety Lighting – 5% normal Lighting is provided in Potentially Hazardous areas. Standby power supply required for activation of vital implements. A permanent, separate, self supporting Power system which is reliable and mains rechargeable batteries in each Luminaries are provided

 

Non Permanent - Auto Switching - Emergency Generator - Battery Supply is also used.

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