Section 5(1)(a) in The Tamil Nadu Electricity Supply Code, 2004
(a)No new LT service with a connected load of motors of 3 HP and above or for using welding transformers shall be given unless capacitors of adequate ratings with 1S1 marking are installed; [The licensee shall specify appropriate capacitor ratings for different capacity Motors/welding transformers] [Inserted by Commission's Notification No. TNERC/SC/7-4 dated25.5.2007 w.e.f.l3.6.2007)].