LED Lamp generates triplen harmonic. It triples on neutral & pervades in the power system. Droops light efficiency & brightness & fails LED Light & Driver. If there are a significant number of LED light drivers and SMPS based electronic gadgets in a building's electrical supply, as in the case of shopping mall, hotel, hospital, corporate-building, manufacturing shop floor etc., it will cause a high neutral current problem. Infirmness in the neutral wire with high neutral current is an electrical fire risk.