Coaxial Cables, as the name implies, are electrical cables where the inner conductor & the outer conductor, share a common spatial axis and having dielectric insulation. The inner conductor, generally made of copper, is used to carry electrical signals and the outer conductor, which is a wire mesh shield, is used for grounding. Due to nature of its construction, coaxial cables are suitable to carry high frequency signals like Cable television signals, Broadband internet data, and keep the signals free from other external interferences.
From 2004 to 2015, advances in commercial lighting led to a huge installation of CFL based downlighters and also CFL Based 2x2 Grid Luminaires, that offered decent lumen output to price advantage. This has resulted in a huge installed base of fixtures incorporating 18W 2pin PLC CFL Lamps, 18W 4 pin PLC CFL Lamps and 36W 4pin PLL CFL Lamps. But these lamps had a typical life of 10,000 hours and would require replacement every 1.5 to 2 years on average.