Texas Electrical Sign Contractor Exam
With Actual Questions & Verified
Answers, Plus Explained
Rationales/Expert Verified For
Guaranteed 100% Pass 2026/Latest
Update/Instant Download Pdf
1. What is the primary purpose of the National Electrical Code
(NEC)?
A. Improve aesthetics of installations
B. Ensure safety from electrical hazards
C. Standardize marketing materials
D. Increase installation speed
Ensures installations meet minimum safety standards to protect
people and property.
2. Before beginning work on a sign electrical system, you must first:
A. Start installation immediately
B. Obtain necessary permits and approvals
C. Order materials
D. Take photos of site
Permits are required by jurisdictions to ensure code compliance.
3. A disconnect means must be provided for all sign installations:
A. Only when over 50 amps
B. At the sign location for service equipment
, C. Only for indoor signs
D. Only if over 240V
NEC requires a disconnect for maintenance and emergency
shut-off.
4. What does a UL listing indicate?
A. Free inspection
B. Warranty validation
C. Product tested for safety standards
D. Tax exemption
UL tests products to recognized safety standards.
5. Flexible cord used in sign wiring must be rated for:
A. Indoor only
B. UV and environmental exposure if outdoors
C. Low voltage only
D. None of the above
Outdoor installations require suitable exposure-rated cord.
6. Ground fault circuit interrupters (GFCIs) are required:
A. Where signs are near wet locations
B. Only on 3-phase systems
C. Never outdoors
D. Only for neon
GFCIs protect from shock in wet or damp areas.
7. Bonding of sign metal parts ensures:
A. Better visuals
B. Cheaper installation
C. Electrical continuity for safety
D. Easier painting
Bonding prevents differences in potential and shock.
, 8. Sign supports and enclosures must be:
A. Wood always
B. Structurally adequate per code
C. Painted red
D. Hidden from view
Supports must safely carry loads and environmental stresses.
9. Flexible metal conduit (FMC) used outdoors must be:
A. Painted
B. Corrosion-resistant
C. Uninsulated
D. Loose only
Corrosion resistance prevents degradation outdoors.
10. A service drop supplying a sign must maintain minimum
clearance over sidewalks of:
A. 5 feet
B. 10 feet
C. 2 feet
D. 20 feet
Minimum clearances protect the public from contact.
11. Transformer secondary conductors for neon signs must be:
A. Exposed
B. Insulated and suitable for voltage
C. Untested
D. Non-metallic only
High voltage secondaries must be insulated appropriately.
12. The NEC requires marking of disconnecting means:
A. In invisible ink
B. Clearly visible and labeled
C. Only for indoor signs
With Actual Questions & Verified
Answers, Plus Explained
Rationales/Expert Verified For
Guaranteed 100% Pass 2026/Latest
Update/Instant Download Pdf
1. What is the primary purpose of the National Electrical Code
(NEC)?
A. Improve aesthetics of installations
B. Ensure safety from electrical hazards
C. Standardize marketing materials
D. Increase installation speed
Ensures installations meet minimum safety standards to protect
people and property.
2. Before beginning work on a sign electrical system, you must first:
A. Start installation immediately
B. Obtain necessary permits and approvals
C. Order materials
D. Take photos of site
Permits are required by jurisdictions to ensure code compliance.
3. A disconnect means must be provided for all sign installations:
A. Only when over 50 amps
B. At the sign location for service equipment
, C. Only for indoor signs
D. Only if over 240V
NEC requires a disconnect for maintenance and emergency
shut-off.
4. What does a UL listing indicate?
A. Free inspection
B. Warranty validation
C. Product tested for safety standards
D. Tax exemption
UL tests products to recognized safety standards.
5. Flexible cord used in sign wiring must be rated for:
A. Indoor only
B. UV and environmental exposure if outdoors
C. Low voltage only
D. None of the above
Outdoor installations require suitable exposure-rated cord.
6. Ground fault circuit interrupters (GFCIs) are required:
A. Where signs are near wet locations
B. Only on 3-phase systems
C. Never outdoors
D. Only for neon
GFCIs protect from shock in wet or damp areas.
7. Bonding of sign metal parts ensures:
A. Better visuals
B. Cheaper installation
C. Electrical continuity for safety
D. Easier painting
Bonding prevents differences in potential and shock.
, 8. Sign supports and enclosures must be:
A. Wood always
B. Structurally adequate per code
C. Painted red
D. Hidden from view
Supports must safely carry loads and environmental stresses.
9. Flexible metal conduit (FMC) used outdoors must be:
A. Painted
B. Corrosion-resistant
C. Uninsulated
D. Loose only
Corrosion resistance prevents degradation outdoors.
10. A service drop supplying a sign must maintain minimum
clearance over sidewalks of:
A. 5 feet
B. 10 feet
C. 2 feet
D. 20 feet
Minimum clearances protect the public from contact.
11. Transformer secondary conductors for neon signs must be:
A. Exposed
B. Insulated and suitable for voltage
C. Untested
D. Non-metallic only
High voltage secondaries must be insulated appropriately.
12. The NEC requires marking of disconnecting means:
A. In invisible ink
B. Clearly visible and labeled
C. Only for indoor signs