Electrical Thumb Rules-(Part-6)

Transformer Earthing Wire / Strip Size: Size of T.C or DG Body Earthing Neutral Earthing <315 KVA 25×3 mm Cu / 40×6 mm GI Strip 25×3 mm Cu Strip 315 KVA to 500 KVA 25×3 mm Cu / 40×6 mm GI Strip 25×3 mm Cu Strip 500 KVA to 750 KVA 25×3 mm Cu / […]



via Electrical Notes & Articles http://electricalnotes.wordpress.com/2013/09/05/electrical-thumb-rules-part-6/