HOME INSPECTOR EXAM PREP |QUESTIONS & ANSWERS
VERIFIED SOLUTIONS 100%|GRADE A+|LATEST 2024/2025
Wire Size (CU and AL) for 15amp breaker - ✔✔14 CU 12 AL
Wire Size (CU and AL) for 20 amp breaker - ✔✔12 CU 10 AL
Wire Size (CU and AL) for 25 amp breaker - ✔✔10 CU 10 AL
Wire Size (CU and AL) for 30 amp breaker - ✔✔10 CU 8 AL
Wire Size (CU and AL) for 40 amp breaker - ✔✔8 CU 6 AL
Wire Size (CU and AL) for 50 amp breaker - ✔✔6 CU 4 AL
Wire Size (CU and AL) for 60 amp breaker - ✔✔6 CU 4 AL (3 TEXAS)
Wire Size (CU and AL) for 100 amp breaker - ✔✔4 CU 2 AL
Wire Size (CU and AL) for 125 amp breaker - ✔✔2 CU 1/0 AL
Wire Size (CU and AL) for 150 amp breaker - ✔✔1 CU 2/0 AL
Wire Size (CU and AL) for 200 amp breaker - ✔✔2/0 CU 4/0 AL
What are the common breaker sizes in a panel box? (11) - ✔✔15, 20, 25, 30, 40, 50, 60, 100,
125, 150, 200
What is the Safe Surge formula? - ✔✔watts/volts x 1.25 = min AMP
(only used for 240v on exam)
, Minimum breaker size for a hot water heater? - ✔✔25 amps
Minimum breaker size for a Dryer? - ✔✔30 amps
Minimum breaker size for an Electric Range? - ✔✔40 amps
Overhead electrical drop clearance for a/an Walkway? - ✔✔10ft
Overhead electrical drop clearance for a/an Driveway? - ✔✔12ft
Overhead electrical drop clearance for a/an Ground? - ✔✔12ft
(consider this to be over the yard)
Overhead electrical drop clearance for a/an street? - ✔✔18 ft
Overhead electrical drop clearance for a/an Pool?
Vertical and Horizontal - ✔✔Vertical 22.5ft ( 22ft 2003)
Horizontal 10 ft
Overhead electrical drop clearance for a/an Diving Board or raised platform (slide or diving
rock)?
Vert. + Horz. - ✔✔14.5 ft ( 14ft 2003)
10 ft horz
Overhead electrical drop clearance for a/an roof with 4:12 or greater pitch? - ✔✔3ft
Overhead electrical drop clearance for a/an roof with pitch 3:12 or less? - ✔✔8ft
Overhead electrical drop clearance for a/an roof with a deck or walkable surface? - ✔✔10ft
VERIFIED SOLUTIONS 100%|GRADE A+|LATEST 2024/2025
Wire Size (CU and AL) for 15amp breaker - ✔✔14 CU 12 AL
Wire Size (CU and AL) for 20 amp breaker - ✔✔12 CU 10 AL
Wire Size (CU and AL) for 25 amp breaker - ✔✔10 CU 10 AL
Wire Size (CU and AL) for 30 amp breaker - ✔✔10 CU 8 AL
Wire Size (CU and AL) for 40 amp breaker - ✔✔8 CU 6 AL
Wire Size (CU and AL) for 50 amp breaker - ✔✔6 CU 4 AL
Wire Size (CU and AL) for 60 amp breaker - ✔✔6 CU 4 AL (3 TEXAS)
Wire Size (CU and AL) for 100 amp breaker - ✔✔4 CU 2 AL
Wire Size (CU and AL) for 125 amp breaker - ✔✔2 CU 1/0 AL
Wire Size (CU and AL) for 150 amp breaker - ✔✔1 CU 2/0 AL
Wire Size (CU and AL) for 200 amp breaker - ✔✔2/0 CU 4/0 AL
What are the common breaker sizes in a panel box? (11) - ✔✔15, 20, 25, 30, 40, 50, 60, 100,
125, 150, 200
What is the Safe Surge formula? - ✔✔watts/volts x 1.25 = min AMP
(only used for 240v on exam)
, Minimum breaker size for a hot water heater? - ✔✔25 amps
Minimum breaker size for a Dryer? - ✔✔30 amps
Minimum breaker size for an Electric Range? - ✔✔40 amps
Overhead electrical drop clearance for a/an Walkway? - ✔✔10ft
Overhead electrical drop clearance for a/an Driveway? - ✔✔12ft
Overhead electrical drop clearance for a/an Ground? - ✔✔12ft
(consider this to be over the yard)
Overhead electrical drop clearance for a/an street? - ✔✔18 ft
Overhead electrical drop clearance for a/an Pool?
Vertical and Horizontal - ✔✔Vertical 22.5ft ( 22ft 2003)
Horizontal 10 ft
Overhead electrical drop clearance for a/an Diving Board or raised platform (slide or diving
rock)?
Vert. + Horz. - ✔✔14.5 ft ( 14ft 2003)
10 ft horz
Overhead electrical drop clearance for a/an roof with 4:12 or greater pitch? - ✔✔3ft
Overhead electrical drop clearance for a/an roof with pitch 3:12 or less? - ✔✔8ft
Overhead electrical drop clearance for a/an roof with a deck or walkable surface? - ✔✔10ft
