Article 210

1. When working in an existing building and you add a different nominal voltage system, then ________.
(a) You must identify all the wiring in the building as to voltage
(b) You must label all old panels with wiring designations
(c) It is permissible to identify just the added wiring as to voltage
(d) You must post a notice at the service noting changed voltage ID.

2. When measuring for receptacles installed near sinks, the measurement is ________.
(a) From the outside edge of the sink
(b) The top of the inside edge of the bowl
(c) The center of the spigot
(d) None of the above

3. Circuits for dwelling unit garages are required to have a receptacle for each stall, and be a 20 A ________ circuit.
(a) Multi-wire 
(b) Dedicated 
(c) Designed for vehicle charging
(d) All of the above

4. If built in cabinetry in other than the kitchens includes a counter top, then the wall space ________ in determining receptacle requirements for dwellings
(a) Is used
(b) Is not used
(c) Is used if the counter top is above 36”
(d) Is not used if the counter top is over 30”

5. In meeting spaces of not more than 1000 sq. ft., the required receptacles in the fixed walls are required for so that a ________ ft. cord along the wall line will reach the receptacle.
(a) 10
(b) 6
(c) 15
(d) 20

6. Grounding electrode conductors connected only to the concrete encased electrode need not be larger than # ________ AWG copper.
(a) 2
(b) 4
(c) 6
(d) 8

Answers: 
1.  (c)  Ref: 210.5(C)(1)(b)
2.  (b) Ref: 210.8(A)(7)
3.  (b) Ref: 210.11(C)(4)
4.  (a) Ref: 201.52(A)(2)
5.  (b) Ref: 210.71
6.  (b) Ref: 250.66(B)