100+ expert guides covering installation, specifications, buying advice, troubleshooting, and energy savings. Written by Xera Tech engineers for homeowners, contractors, and municipalities across India.
Lumens (lm) measure the total amount of visible light emitted by a source. If watts measure how much electricity a light…
Lux (lx) measures illuminance - the amount of light falling on a surface. While lumens measure what the lamp produces, l…
IP65 is the minimum standard for outdoor LED lights in India. But what does it actually mean, and when do you need IP66 …
Colour temperature describes the 'colour' of the light from a bulb or luminaire - not its brightness. It is measured in …
A high mast light is a tall lighting pole - typically 18 to 40 metres - carrying multiple flood lights or floodlight arr…
Colour Rendering Index (CRI) measures how accurately a light source renders the colours of objects compared to natural s…
The charge controller is the brain of a solar street light. The choice between PWM (Pulse Width Modulation) and MPPT (Ma…
Motion sensor street lights switch to full brightness when a person or vehicle passes, and dim or switch off when no act…
Power factor (PF) is a hidden efficiency metric that most LED buyers overlook - but utilities and large industrial consu…
MPPT - Maximum Power Point Tracking - is the technology that allows a solar charge controller to extract the maximum pos…
The LED driver is the most failure-prone component in any LED luminaire. More LED lights fail because of driver failure …
The housing material of an LED street light or flood light is one of the most important quality indicators - it determin…
A dusk-to-dawn sensor is the small component that makes street lights automatic - turning them on at sunset and off at s…
IK rating measures how well a light fixture's enclosure resists mechanical impact - from stones, accidental knocks, vand…
Road lighting design is a formal engineering discipline - but its fundamentals can be understood by anyone involved in s…
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