SOUTH CAROLINA MASTER ELECTRICIAN EXAM –
QUESTIONS AND ANSWERS | VERIFIED AND WELL
DETAILED ANSWERS | PLUS RATIONALES |
GUARANTEED PASS | LATEST EXAM UPDATE
*Core Domains*
*- NEC General Requirements and Definitio
*- Wiring and Protection*
*- Wiring Methods and Materials*
*- Equipment for General Use*
*- Special Occupancies and Conditions*
*- Communication Systems and Special Equ
*- Calculations for Feeders, Branch Circu
*- South Carolina State Laws and Licensin
*- Safety and OSHA Standards*
*Introduction*
*The purpose of the South Carolina Maste
SECTION ONE: QUESTIONS 1–100
, 1. What is the maximum number of disconnects
allowed for a single service, grouped in one
location, unless otherwise specifically permitted?
A. 2
B. 4
C. 6
D. 8
🟢 C. 6
🔴 Explanation: Per NEC Article 230.71, the service
disconnecting means for each service permitted by 230.2
shall consist of not more than six switches or six circuit
breakers mounted in a single enclosure or in a group of
separate enclosures.
2. A 240-volt, single-phase, 15 HP motor has a full-
load current rating of how many amperes
according to the NEC tables?
A. 50 amperes
B. 80 amperes
,C. 78 amperes
D. 100 amperes
🟢 C. 78 amperes
🔴 Explanation: Table 430.248 lists the Full-Load Current
for Single-Phase Alternating-Current Motors. For a 15
HP motor at 240V, the value is 78 amperes.
3. In a commercial garage, any pit or depression
below floor level is classified as which Class and
Division?
A. Class I, Division 1
B. Class I, Division 2
C. Class II, Division 1
D. Class III, Division 2
🟢 A. Class I, Division 1
🔴 Explanation: According to NEC 511.3, any pit or
depression below floor level in a commercial garage is
considered Class I, Division 1 because heavier-than-air
vapors can settle there.
, 4. What is the minimum burial depth for a rigid metal
conduit (RMC) installed under a 4-inch thick
concrete slab with no vehicle traffic?
A. 6 inches
B. 12 inches
C. 18 inches
D. 4 inches
🟢 D. 4 inches
🔴 Explanation: Table 300.5 specifies that RMC installed
under a building or within a concrete slab at least 4
inches thick requires a minimum cover of 4 inches.
5. When sizing a pull box for a straight pull involving
4-inch conduits, what is the minimum length
required for the box?
A. 24 inches
B. 32 inches
C. 40 inches
D. 48 inches
QUESTIONS AND ANSWERS | VERIFIED AND WELL
DETAILED ANSWERS | PLUS RATIONALES |
GUARANTEED PASS | LATEST EXAM UPDATE
*Core Domains*
*- NEC General Requirements and Definitio
*- Wiring and Protection*
*- Wiring Methods and Materials*
*- Equipment for General Use*
*- Special Occupancies and Conditions*
*- Communication Systems and Special Equ
*- Calculations for Feeders, Branch Circu
*- South Carolina State Laws and Licensin
*- Safety and OSHA Standards*
*Introduction*
*The purpose of the South Carolina Maste
SECTION ONE: QUESTIONS 1–100
, 1. What is the maximum number of disconnects
allowed for a single service, grouped in one
location, unless otherwise specifically permitted?
A. 2
B. 4
C. 6
D. 8
🟢 C. 6
🔴 Explanation: Per NEC Article 230.71, the service
disconnecting means for each service permitted by 230.2
shall consist of not more than six switches or six circuit
breakers mounted in a single enclosure or in a group of
separate enclosures.
2. A 240-volt, single-phase, 15 HP motor has a full-
load current rating of how many amperes
according to the NEC tables?
A. 50 amperes
B. 80 amperes
,C. 78 amperes
D. 100 amperes
🟢 C. 78 amperes
🔴 Explanation: Table 430.248 lists the Full-Load Current
for Single-Phase Alternating-Current Motors. For a 15
HP motor at 240V, the value is 78 amperes.
3. In a commercial garage, any pit or depression
below floor level is classified as which Class and
Division?
A. Class I, Division 1
B. Class I, Division 2
C. Class II, Division 1
D. Class III, Division 2
🟢 A. Class I, Division 1
🔴 Explanation: According to NEC 511.3, any pit or
depression below floor level in a commercial garage is
considered Class I, Division 1 because heavier-than-air
vapors can settle there.
, 4. What is the minimum burial depth for a rigid metal
conduit (RMC) installed under a 4-inch thick
concrete slab with no vehicle traffic?
A. 6 inches
B. 12 inches
C. 18 inches
D. 4 inches
🟢 D. 4 inches
🔴 Explanation: Table 300.5 specifies that RMC installed
under a building or within a concrete slab at least 4
inches thick requires a minimum cover of 4 inches.
5. When sizing a pull box for a straight pull involving
4-inch conduits, what is the minimum length
required for the box?
A. 24 inches
B. 32 inches
C. 40 inches
D. 48 inches
