A circuit feeding a single-phase load of 2.75 kW at 0.85 power factor and 240 V at an ambient temperature of 55°C by means of a 27 m single-core PVC insulated cable run in conduit along with another...

A circuit feeding a single-phase load of 2.75 kW at 0.85 power factor and 240 V at an ambient temperature of 55°C by means of a 27 m single-core PVC insulated cable run in conduit along with another circuit. 1) Determine the installation method 2) Compute the circuit design current (/g) 3) Determine the nominal current (Za) of the circuit breaker 4) Find the temperature correction factor (C;) and adjust current for temperature 5) Find the grouping correction factor (Cy) and adjust current for grouping of cables 6) Select cable size and determine its current carrying capacity (/z) 7) Check voltage drop (V.D.) and correct cable size if V.D. > 6 V


Extracted text: A circuit feeding a single-phase load of 2.75 kW at 0.85 power factor and 240 V at an ambient temperature of 55°C by means of a 27 m single-core PVC insulated cable run in conduit along with another circuit. 1) Determine the installation method 2) Compute the circuit design current (Is) 3) Determine the nominal current (In) of the circuit breaker 4) Find the temperature correction factor (C) and adjust current for temperature 5) Find the grouping correction factor (C) and adjust current for grouping of cables 6) Select cable size and determine its current carrying capacity (Iz) 7) Check voltage drop (V.D.) and correct cable size if V.D. >6 V