Chapter 1- general rules
For large equipment that contains service disconnecting means installed in accordance with 230.71 where the combined ampere rating is ______ amperes or more and over 6 ft wide, there shall be one entrance to and egress from the required working space not less than 24 in. wide and 61/2 ft high at each end of the working space
1200 A
Listed or labeled equipment shall be installed and used in accordance with any instructions included in the listing or labeling.
True
Electrical equipment rooms or enclosures housing electrical apparatus that are controlled by a lock(s) shall be considered _____ to qualified persons.
accessible
Separately installed pressure connectors shall be used with conductors at the____ not exceeding the ampacity at the listed and identified temperature rating of the connector.
ampacities
In judging equipment for approval, considerations such as ______ shall be evaluated.
mechanical strength wire bending space arcing effects -ALL OF THESE
All _________ shall be covered with an insulation equivalent to that of the conductors or with an identified insulating device.
splices joints free ends of conductors -ALL OF THESE
Working space shall not be used for ________.
storage
Each disconnecting means shall be legibly marked to indicate its purpose unless located and arranged so ______
the purpose is evident
All switchboards, switchgear, panelboards, and motor control centers shall be located in dedicated spaces and protected from damage and the working clearance space for outdoor installations shall include the zone described in ______
110.26(A)
A permanently connected surge-protective device (SPD) indented for installation on the load side of the service disconnect overcurrent device, including SPDs located at the branch panel, is a "Type _____ SPD."
2 (b)
The required working space for access to live parts of equipment operating at 300 volts-to-ground, where there are exposed live parts on one side and grounded parts in the other side, is _____
3 1/2 ft
The minimum working space on a circuit for equipment operating at 750 volts-to-ground, with exposed live parts on one side and grounded parts on the other side of the working space, is _____
4 ft
Part III of Article 100 contains definitions which are applicable to ___
Hazardous (classified) Locations
The NEC requires tested series-rated installations of a circuit breakers or fuses to be legibly marked in the field to indicate the equipment had been applied with a series combination rating.
Service equipment
_______ at other than dwelling units shall be legibly field marked with the available fault current, include the date the fault-current calculation was performed, and be of sufficient durability to withstand the environment involved.
Service equipment
NFPA 70E-Standard for electrical Safety in the Workplace, provides guidance, such as determining severity of potential exposure, planning safe work practices, arc-flash labeling, and selecting _____.
personal protective equipment
The minimum height of working spaces about electrical equipment, switchboards, panelboards, or motor control centers operating at 1,000V, nominal, or less and likely to require examination, adjustment, servicing, or maintenance while energized shall be 6 1/2 ft or the height of the equipment, whichever is greater, except for service equipment or panelboards in existing dwelling units that do not exceed 200A.
true
