UGR Rating

UGR (Unified Glare Rating) is a method of calculating glare from luminaires, light through windows and bright light sources. The UGR rating helps ....

The case for Bluetooth mesh

Bluetooth® technology, the global standard for simple, secure wireless connectivity, now supports mesh networking. The new mesh capability enables many-to-many (m:m) device communications and ...

Effect of inrush current on LED lighting systems

Inrush current is the current drawn by a piece of electrically operated equipment when power is first applied. It can occur with AC or DC powered equipment, and can happen even with low supply voltages. An inrush current event subjects ...

Determination of LED fixture as replacement for Metal Halide

The question is often asked regarding the LED equivalent to Metal Halide fittings and why a given LED fitting has substantially less lumen output but is still considered the correct match.

A guide for the Electrical Contractor

Electrical Contractors are increasingly being asked to specify 6x54W Fluorescent Highbays as replacements for 400W Metal Halide fittings in a factory or warehouse situation. The current system of government subsidy for retrofitting to fluorescent/LED has initiated this push.