MECHANICAL & ELECTRICAL SYSTEMS EXAM 1 QUESTIONS AND ANSWERS | EXAM PREP &
PRACTICE TEST 2026/2027
Mine, power production, rolling stock (plains, trains, and automobiles). UNLESS RV is hooked up
to power box or boat on boat dock - ✔✔NEC book does not cover
Fairs, basically everything else is covered - ✔✔NEC book covers
Temp, rough-in, finish, mechanical - ✔✔4 types of permits (inspection)
Temp inspection - ✔✔$100-$150
Rough-in - ✔✔no sheetrock in yet, wires hanging, everything in place but not finished out
Finish - ✔✔everything good to go and in place for inspection
Sink w/ garbage disposal - ✔✔switch must be outside of arms length
Sealed incandescent - ✔✔bulb or covering over light (closet)
Cross base - ✔✔lighting isn't required where unless wanted
Basement - ✔✔where must a switch be for each room
Under stairway - ✔✔lighting isn't required where unless wanted
Recessed or can light - ✔✔comes in standard or thermo protected
, Water resistant light - ✔✔if a light is within reach of a bathtub, it must be a
12 gauge wire - ✔✔anything with motorized device must use
Polarized plug - ✔✔can't plug in 2 ways, only one way
Duplex outlet - ✔✔receptacle with 2 plug ins
Mono outlet - ✔✔receptacle with 1 plug in, rare, not commonly used, more $
Code - ✔✔plugs must be ground up, not ground down
Tamper proof - ✔✔plugs required in all rooms of the house
12 feet - ✔✔plugs not exceed how many feet, unless wall is broken
12-16 inches - ✔✔plugs should be how how off of the ground
Floor mount plug - ✔✔counts as 12 feet apart, must be adjacent w/ wall
Code - ✔✔12 foot spacing of plugs in any room w/ exception of bathrooms, kitchen, hallways
Garage - ✔✔area in house that must contain at least one plug
Arch fault - ✔✔located in breaker panel
PRACTICE TEST 2026/2027
Mine, power production, rolling stock (plains, trains, and automobiles). UNLESS RV is hooked up
to power box or boat on boat dock - ✔✔NEC book does not cover
Fairs, basically everything else is covered - ✔✔NEC book covers
Temp, rough-in, finish, mechanical - ✔✔4 types of permits (inspection)
Temp inspection - ✔✔$100-$150
Rough-in - ✔✔no sheetrock in yet, wires hanging, everything in place but not finished out
Finish - ✔✔everything good to go and in place for inspection
Sink w/ garbage disposal - ✔✔switch must be outside of arms length
Sealed incandescent - ✔✔bulb or covering over light (closet)
Cross base - ✔✔lighting isn't required where unless wanted
Basement - ✔✔where must a switch be for each room
Under stairway - ✔✔lighting isn't required where unless wanted
Recessed or can light - ✔✔comes in standard or thermo protected
, Water resistant light - ✔✔if a light is within reach of a bathtub, it must be a
12 gauge wire - ✔✔anything with motorized device must use
Polarized plug - ✔✔can't plug in 2 ways, only one way
Duplex outlet - ✔✔receptacle with 2 plug ins
Mono outlet - ✔✔receptacle with 1 plug in, rare, not commonly used, more $
Code - ✔✔plugs must be ground up, not ground down
Tamper proof - ✔✔plugs required in all rooms of the house
12 feet - ✔✔plugs not exceed how many feet, unless wall is broken
12-16 inches - ✔✔plugs should be how how off of the ground
Floor mount plug - ✔✔counts as 12 feet apart, must be adjacent w/ wall
Code - ✔✔12 foot spacing of plugs in any room w/ exception of bathrooms, kitchen, hallways
Garage - ✔✔area in house that must contain at least one plug
Arch fault - ✔✔located in breaker panel
