WorksheetsL120
Total questions: 10
Worksheet time: 5mins
An electric circuit consists of power source, conductors, load, and:
Ground rod
Transformer
Switch
Service
Minimum residential dryer demand load is:
1500 W
5000 W
3000 W
6000 W
Manufacturer requires #8 copper for a 45-A dryer circuit. Which size is correct?
10 AWG
8 AWG
6 AWG
4 AWG
Minimum branch-circuit rating for a single dryer is:
20 A
30 A
40 A
Per nameplate
Laundry room receptacles require a minimum:
15 A
20 A
Dedicated dryer circuit
MWBC
Curved lines on EWR drawings indicate:
Walls
Switch legs
Data lines
Ceiling fans
Switches may be split into multiple boxes when:
Spacing requires
Cost increases
Voltage changes
Inspector prefers
Cord repairs must be tested for continuity and polarity plus:
Ground resistance
Watertight integrity
Voltage drop
Insulation class
A good cord insulation check with an ohmmeter reads:
0 ohms
5 ohms
∞ (OL)
120 V
Extension cords are intended for:
Permanent wiring
Temporary use
Concealed use
Structural support
