Electrical Technology

Source for Emergency 415 VOLTS Source for Normal (phase to phase) 415 VOLTS Power factor for Welding receptacle 0.85 Power factor for Elevator 0.85 Power factor for 70W / 150W HPSV 0.85 Power factor for Aviation Light 0.85 All factors use in Cable schedule As per enclosed Catalogue of Polycab S.NO. CABLE FROM TO VOLTAGE CONNECTED LOAD (KW) LOAD CURRENT=(Dx1000)/(√3xCxCos ф ) CABLE SIZE CABLE TYPE CABLE CURRENT RATING(AMP.) CABLE CURRENT AFTER DERATING AT 50° =(H x RATING FACTOR AT 50 °CX GROUP RATING FACTOR) MAX. D.C. CONDUCTOR RESISTANCE AT 20 ...