Electrical Safety Crossword Puzzle

QUESTIONS LIST:

• primary function : the _ of an ocpd s to protect conductors and equipment from damage caused by thermal and magnetic effects of over current.
• equipment : electrical workers and _ are at great risk when a circuit breaker or fuse has an interrupting rating less than the available short circuit current
• prohibited : energized work is generally prohibited unless the employer demonstrates that de-energizing introduces additional hazards
• supplementary : ocpds are used to protect appliances and some end use equipment such as luminaries and other equipment on ht load side of branch circuit ocpd.
• power electronic : high speed fuses are permitted in lieu of branch circuit short circuit and ground fault protection on motor circuits utilizing power electronic drives
• interrupting : the _ rating is perhaps the most critical rating of the over-current protective devise.
• ocpd : _ are installed to protect against damage which can be caused by thermal and magnetic forces due to over currents
• electrical hazard : _ is defined in nfpa 70e as 'a dangerous condition such that contact or equipment failure can result in electric shock, arc flash burn, thermal burn, or blast.