Introduction to Electrical Engineering

| Kategorie: Kniha  | Tento dokument chci!

Pro: ČEKO IMPORT a.s.
Vydal: České vysoké učení technické Praha Autor: Vladimír Kůla, Michal Kříž

Strana 19 z 112

Jak získat tento dokument?






Poznámky redaktora
maintenance periodic visual inspections and electrical testing where necessary including after repairs and/or modification verify the electrical integrity the tools, equipment and devices . operation all activities necessary permit the electrical installation function both under normal and abnormal conditions These activities include such matters switching, controlling, monitoring and maintenance well both electrical and non-electrical work.BASIC TERMS AND DEFINITIONS FOR ELECTRICAL SAFETY AND ELECTRICAL INSTALLATIONS 20 dead about zero voltage that without voltage charge present dead working work electrical installations which are neither live nor charged, carried out after having taken all measures present electrical danger live working all work which worker makes contact with live parts can reach into the danger zone with either parts his her body with tools, equipment devices being handled injury death personal injury from electric shock, electric burn, electrical explosion, or arcing, from fire explosion initiated electrical energy caused any work activity on, with near electrical installation risk combination the probability and the degree the possible injury damage health of person exposed hazard hazards notification messages instructions which are either verbal writing associated with operation any electrical installation Note: Command notification only written form