These are the electrical codes DIYers (and pros) mess up most often. Many problems stem from new additions to the National Electrical Code (NEC), while some common mistakes violate codes that have been on the books for years. These tips clear up the confusion and help you pass an electrical inspection.
Schneider Electric Easy9 80A 30mA DP Type AC RCD Protects several circuits when fitted upstream of a group of circuit breakers. Tripping in case of leakage current only. http://www.MightGet.com/january-2017-13/schneider-electric-easy9-80a-30ma-dp-type-ac-rcd.asp
About #Power #SystemProtection Power-system protection is a branch of #electrical #power engineering that deals with the protection of electrical power systems from faults through the isolation of faulted parts from the rest of the electrical network. Protection systems usually comprise five components: • Current and voltage transformers • #Protective_relays • #Circuit_breakers • Batteries • Fuses http://systemprotection.in/