Answers
1. What is the minimum working distance required from a 277-volt No. 14 gauge
wire lamp in a panel?
a) 3 feet
b) 4 feet
c) 5 feet (NEC 110.26(A)(3))
d) 6 feet
2. A wireway-fed 120-volt, 12T fluorescent light fixture is controlled by a
photocell. What is the approximate light level on an overcast day?
a) 100 foot-candles
b) 180 foot-candles (Photocell threshold)
c) 250 foot-candles
d) Full sun equivalent
3. What is the maximum permitted distance between convenience outlets in
kitchens?
a) 6 feet (NEC 210.52(C))
b) 8 feet
c) 12 feet
d) 48 inches
4. What is the minimum permitted surface area for 1/16-inch No. 18 sections of
rigid conduit?
a) 1 sq in
b) 2 sq in (Annex C Table C.1)