C-2D Low Voltage Practice Test 2 Exam
Questions with verified correct answers
latest revised update 2025
Low Voltage Practice Test 2
8. Audio systems near swimming pools
a. shall use class 1 wiring methods
b. shall be isolated
c. shall not be placed closer than 5 ft
d. shall not be permitted--- correct answer --- c. shall not be placed
closer than 5 ft
Article 640.10(A)
9. Indoor antenna and lead-in conductors for television receiving
equipment shall be separated from electric power, light and Class 1
circuit conductors by at least
a. 2 in
b. 12 in
,c. 18 in
d. 6 ft--- correct answer --- a. 2 in
Article 810.18(B)
10. Temporary audio system cables may be run on the floor
a. if secured with duct tape
b. if the audio signal cables are Class 2 cables
c. if covered with nonconductive mats
d. audio signal cables are not permitted on the floor--- correct
answer --- c. if covered with noncon- ductive mats
Article 640.45
11. Low- and Medium-Powered-Network Powered Broadband circuit
cables shall be
a. permitted in the same raceway
b. not be permitted in the same raceway
c. separated by at least 2 in
, d. strapped to the raceway as a means of support--- correct answer
--- a. permitted in the same raceway
Article 830.133(A)(1)(a)
12. Class 2 circuit conductors in the same cable as communications
circuits
a. are not permitted
b. must be listed communications cables
c. must be jacketed and classified as communications circuits
d. are permitted provided the insulation is at least that required of
class 3 circuits--- correct answer --- b. must be listed communications
cables
Article 725.139(D)(1)
13. Class 1 power sources other than transformers shall be protected
with the following overcurrent device
a. overcurrent devices rated at not more than 167% of VA rating of
the source
b. overcurrent device rated at 100% of VA rating of the source
Questions with verified correct answers
latest revised update 2025
Low Voltage Practice Test 2
8. Audio systems near swimming pools
a. shall use class 1 wiring methods
b. shall be isolated
c. shall not be placed closer than 5 ft
d. shall not be permitted--- correct answer --- c. shall not be placed
closer than 5 ft
Article 640.10(A)
9. Indoor antenna and lead-in conductors for television receiving
equipment shall be separated from electric power, light and Class 1
circuit conductors by at least
a. 2 in
b. 12 in
,c. 18 in
d. 6 ft--- correct answer --- a. 2 in
Article 810.18(B)
10. Temporary audio system cables may be run on the floor
a. if secured with duct tape
b. if the audio signal cables are Class 2 cables
c. if covered with nonconductive mats
d. audio signal cables are not permitted on the floor--- correct
answer --- c. if covered with noncon- ductive mats
Article 640.45
11. Low- and Medium-Powered-Network Powered Broadband circuit
cables shall be
a. permitted in the same raceway
b. not be permitted in the same raceway
c. separated by at least 2 in
, d. strapped to the raceway as a means of support--- correct answer
--- a. permitted in the same raceway
Article 830.133(A)(1)(a)
12. Class 2 circuit conductors in the same cable as communications
circuits
a. are not permitted
b. must be listed communications cables
c. must be jacketed and classified as communications circuits
d. are permitted provided the insulation is at least that required of
class 3 circuits--- correct answer --- b. must be listed communications
cables
Article 725.139(D)(1)
13. Class 1 power sources other than transformers shall be protected
with the following overcurrent device
a. overcurrent devices rated at not more than 167% of VA rating of
the source
b. overcurrent device rated at 100% of VA rating of the source
