2020 National Electrical Code Chapter 6 Special Equipment Article 690 Solar Photovoltaic (PV) Systems Section:690.56 Identification of Power Sources. Sub-section:690.56(B) Facilities with Utility Services and Photovoltaic Systems. Plaques or directories…
Emergency source distribution overcurrent protection to emergency loads, or emergency source wiring must be kept separate of all other equipment and wiring except when in:
2020 National Electrical Code Chapter 7 Special Conditions Article 700 Emergency Systems Section:700.10 Wiring, Emergency System. Sub-section:700.10(B) Wiring. Wiring from an emergency source or emergency source distribution overcurrent protection to emergency loads…
Equipment for emergency systems shall be designed and located so as to minimize the hazards that might cause complete failure due to:
2020 National Electrical Code Chapter 7 Special Conditions Article 700 Emergency Systems Section:700.12 General Requirements. Current supply shall be such that, in the event of failure of the normal supply…
What type of batteries are not allowed to be used as a power source in an emergency?
2020 National Electrical Code Chapter 7 Special Conditions Article 700 Emergency Systems Section:700.12 General Requirements. Sub-section:700.12(C) Storage Battery. Storage batteries shall be of suitable rating and capacity to supply and…
If the prime mover for an emergency system is an internal-combustion engine, it is required to have on-premises fuel storage that will give at least how many hours of system operation at full-demand?
2020 National Electrical Code Chapter 7 Special Conditions Article 700 Emergency Systems Section:700.12 General Requirements. Sub-section:700.12(D) Generator Set. Sub-section:700.12(D)(2) Internal Combustion Engines as Prime Movers. a)On-Site Fuel Supply. Where internal combustion…
True or False: The disconnecting means for an emergency system power generator that is installed outdoors is not required to be within sight of the structure or building being served if documented safe switching procedures are established and maintained for disconnection, and the conditions of supervision and maintenance ensure that only qualified persons will service and monitor the installation.
2020 National Electrical Code Chapter 7 Special Conditions Article 700 Emergency Systems Section:700.12 General Requirements. Sub-section:700.12(D) Generator Set. Sub-section:700.12(D)(5) Outdoor Generator Sets. Where an outdoor-housed generator set is equipped with…
Only lamps and appliances required for emergency use may be supplied in emergency systems by:
2020 National Electrical Code Chapter 7 Special Conditions Article 700 Emergency Systems Section:700.15 Loads on Emergency Branch Circuits. No appliances and no lamps, other than those specified as required for…
In an emergency system, how much of the loads should it have the rating and capacity to operate simultaneously?
2020 National Electrical Code Chapter 7 Special Conditions Article 700 Emergency Systems Section:700.4 Capacity and Rating. …
Which of the following is a requirement of emergency systems transfer equipment, including transfer switches?
2020 National Electrical Code Chapter 7 Special Conditions Article 700 Emergency Systems Section:700.5 Transfer Equipment. Sub-section:700.5(A) General. Transfer equipment shall be automatic, listed, and marked for emergency use, and approved by the…
Which of the following is an emergency transfer switch for emergency systems required to supply?
2020 National Electrical Code Chapter 7 Special Conditions Article 700 Emergency Systems Section:700.5 Transfer Equipment. Sub-section:700.5(D) Use. Transfer equipment shall supply only emergency loads.