This handbook covers the code of practice in protection circuitry including standard lead and device numbers, mode of connections at terminal strips, colour codes in multicore cables, dos and donts in execution. Currently resides in Orlando, FL and provides application consulting for engineers throughout the state. Also proficient in system modeling and studies with EasyPower and EMTP. Also principles of various protective relays and schemes including special protection. What is a Protective Relay? A protective relay definition is; a switchgear device used to detect faults & begin the circuit breaker operation to separate the faulty element of the system. These relays are self-contained & compact devices that detect abnormal conditions occurring within the. Electromechanical Relays: Work using moving parts and electromagnetic forces (traditional relays). Static Relays: Use electronic components without moving parts. It covers standard codes, wiring practices, and norms for protecting generators, transformers, and lines, and provides detailed.