As batteries have become cheaper and lighter, battery based lamps have largely replaced kerosene lamps in most cities and towns in India. A few decades ago, in the 1970’s and 1980’s many middle class homes had a kerosene lamp when the grid power supply was interrupted. However with advances in LED and battery technology the kerosene lamps have been largely replaced by battery based lamps.
Kerosene lamps were largely risky because the kerosene could leak and cause a fire. The kerosene was also used for cooking food at some homes, before LPG usage became widespread . In some places, especially in rural areas, petrol and kerosene lamps continue to be used.
Earlier the batteries for lamps were not rechargeable and had to be replaced repeatedly. However now rechargeable batteries are now available at an affordable cost, though most the lamps are made in china.
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While the lighting of each flat in an apartment complex is connected to the power grid supply, and meter for the flat, the lighting method for common passages in an apartment complex may vary greatly. In some areas, all the areas have the same power supply.
However in newer buildings with lifts, it is observed that the lighting for the common passages is usually isolated and is directly connected to the backup power supply from a generator in case of failure of the main electricity grid power supply
So when the main electricity grid power will fail, the common passages like the staircases, roads continue to have lighting, while the homes are usually without lighting, However for prolonged power failure, the generator fuel will get exhausted and the whole area will be without any lighting
Most smaller homes do not have any elaborate lighting arrangement.
Mailer from chinese suppliers with prices for reference
Below are some of the competitive lamps:
<1>. Radar Motion Sensor Tube 18w 100lm/w CRI80 —– $4.50/pc
<2>. T5 with Driver Built-in G5 Socket 18w CRI80 —– $3.50/pc
<3>. Batten Tri-Proof LED Tube 36w 100lm/w CRI80 —– $13.50/pc
<4>. Office Hanging Linear Light 36w 100lm/w CRI80 —– $11.80/pc
<5>. Office Flat Wide Batten tube 36w 100lm/w CRI80 —– $5.50/pc
SHENZHEN VIKSTARS LIGHTING CO., LTD
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The southern state of California is getting a lot of sunlight, so Commercial and Residential establishments in the city of Los Angeles can save a lot of money by availing of the cash and performance based incentives offered by the state of California under the california solar initiative.
It is recommended to hire the services of a specialized Solar company in Los Angeles California for designing, supplying and installing the solar system for the home or commercial establishment, especially solar lighting, as the company would be aware of the latest solar panel financing options, rebates, tax credits available and the different kinds of solar equipment available in the market
A roof mounted solar system is suitable in buildings and prime commercial locations, while a ground mounted system will be suitable for gardens and open spaces.The Solar panel consulting company will understand the requirement of the customer, the illumination requirement and provide the optimal solar panel design for the equipment , solar panel installation to withstand all weather condition.
The Solar company in Los Angeles California will also include diagnosis of any problem, maintenance and repair services for the solar systems that they have supplied.
Being subjected to organized stalking can be a very traumatic experience for the victim, and however hardworking honest efficient the person will be , it is extremely difficult to make any money as almost all payment is blocked , opportunities denied, So the stalking victim may make enough to pay the electricity bills, they find it difficult to make major repairs to their house like waterproofing, as they are very expensive.
As a result, during heavy rainfall, the concealed wiring in the house is affected, and there is no electricity in the house or most rooms of the house. As there is no money for repairs, and it is also very difficult to find a reliable person for waterproofing, it is highly recommended that the home owner , stalking victim purchases a solar lamp for illuminating the house at night, when there is no natural lighting available.
The solar lamp does not require expensive batteries, and many of the solar lamps available in the market are light weight and can be carried from one place to another very conveniently . Another advantage of not have grid electricity is that the stalkers are less likely to enter the home at night. One of the main problems faced by organized stalkers is that intruders are entering the house at night and creating problems
So though they are initially expensive, the solar lamps and solar lighting systems are very useful for those subjected to organized stalking and whose electrical wiring system is damaged due to water leakage.
It is observed that some hotel rooms the lighting is fairly dim, it is not suitable for reading or doing any activity which requires bright light. In the hotel, they are using a combination of LED lamps and conventional downlights.
It appears that the hotel rooms are designed for people who come to the hotel room mainly to relax and sleep after spending the whole day outside
In Goa, power supply interruptions are widespread especially in non city areas, so it is advisable to carry a flashlight. Most hotels have a generator, however it can take some time for the staff to switch to the generator when there is no power supply