Protection against Electric Shock
Automatic Disconection of supply
includes Insulation, Earthing and (OCPD overcurrent protective devices)
Earth fault Loop Zs
1. Protection against electric shock
BS
3036 Rewireable fuses
Rewireable or semi enclosed fuses reduce the current carrying capacity (Iz) of the cable.
The Correction factor for BS3036 fuse (Cf) is 1.45/2 = 0.725
MCB (Miniature curcuit breaker) BS 60898
Bi Metalic strip
Solenoid
RCCB, RCD BS 61008 and RCBO BS 61009
Transformers
https://en.wikipedia.org/wiki/Transformer
Q
Electrical choke
Power Supplies
Rectifiers
Inverters
Variable Frequency Drives
