NCCER STUDY GUIDE
"A Group" - ✅✅-Represents the most hazardous location
1 kilowatt (kw) is the suffix for - ✅✅-1,000 watts
✅✅
15 amperes is the maximum standard over current device rating used to? -
-Protect instrument circuits in a panel board
4/0 to 14 AWG is the most common conductors used for? - ✅✅-Light and
power installations
✅✅
87 1/2 is the minimum percentage rated voltage that a storage battery should?
- -Supply the emergency load
A 90° angle pull box should be? - ✅✅-Six times the biggest conduit
A battery source consist of two or more cells and - ✅✅-Convert chemical
energy into electrical energy
✅✅
A bonding jumper is required for equipment installed in ________ location? -
-Class I
✅✅-Service disconnect
A bus bar is not a type of? -
A conductor has three or less - ✅✅-Valence electrons
A continuous load is? - ✅✅-Load where the maximum current is expected to
continue for three hours or more
✅✅
A fuse should be rated higher than the highest rated component in a? -
-Panelboard to be protected
A magnetic field is generated around the coils when? - ✅✅-AC flows
through a transformer coil
✅✅
A pole equipped with both N.C and N.O contacts is designated as a? -
-Double throw pole
A pull box for a straight pull must be? - ✅✅-8x the trade size of conduit
, A pull box for conduit entering at right angles must be - ✅✅-6x the trade size
of conduit
A relay designated as a 3PDT-SB relay has? -✅✅-N.O & 3 N.C contacts
A relay is an electromechanical component used as a - ✅✅-Switching
device
A resistor is a component that normally - ✅✅-Opposes current flow in a DC
circuit
A run of conduit must not have more than - ✅✅-4 quarter bends between
fittings and outlets (180 degrees)
A schematic is a drawing in which - ✅✅-Symbols are used to represent the
components in a system
A Series circuit has only one route of - ✅✅-Current flow
A straight pull box should be? - ✅✅-Eight times the biggest conduit
✅✅-Drilled and less approved by the manufacture
A wood joist cannot be? -
AC Voltage Tag Colors Class 0 - ✅✅-Red tag 1,000 volts
AC Voltage Tag Colors Class 00 - ✅✅-Beige tag 500 volts
AC Voltage Tag Colors Class 1 - ✅✅-White tag 7,500 volts
AC Voltage Tag Colors Class 2 - ✅✅-Yellow tag 17,000 volts
AC Voltage Tag Colors Class 3 - ✅✅-Green tag 26,500 volts
AC Voltage Tag Colors Class 4 - ✅✅-Orange tag 36,000 volts
✅✅
All 15/20-amp Receptacle outlets installed in bathroom of dwelling units
should always? - -Require ground fault circuit interceptor
"A Group" - ✅✅-Represents the most hazardous location
1 kilowatt (kw) is the suffix for - ✅✅-1,000 watts
✅✅
15 amperes is the maximum standard over current device rating used to? -
-Protect instrument circuits in a panel board
4/0 to 14 AWG is the most common conductors used for? - ✅✅-Light and
power installations
✅✅
87 1/2 is the minimum percentage rated voltage that a storage battery should?
- -Supply the emergency load
A 90° angle pull box should be? - ✅✅-Six times the biggest conduit
A battery source consist of two or more cells and - ✅✅-Convert chemical
energy into electrical energy
✅✅
A bonding jumper is required for equipment installed in ________ location? -
-Class I
✅✅-Service disconnect
A bus bar is not a type of? -
A conductor has three or less - ✅✅-Valence electrons
A continuous load is? - ✅✅-Load where the maximum current is expected to
continue for three hours or more
✅✅
A fuse should be rated higher than the highest rated component in a? -
-Panelboard to be protected
A magnetic field is generated around the coils when? - ✅✅-AC flows
through a transformer coil
✅✅
A pole equipped with both N.C and N.O contacts is designated as a? -
-Double throw pole
A pull box for a straight pull must be? - ✅✅-8x the trade size of conduit
, A pull box for conduit entering at right angles must be - ✅✅-6x the trade size
of conduit
A relay designated as a 3PDT-SB relay has? -✅✅-N.O & 3 N.C contacts
A relay is an electromechanical component used as a - ✅✅-Switching
device
A resistor is a component that normally - ✅✅-Opposes current flow in a DC
circuit
A run of conduit must not have more than - ✅✅-4 quarter bends between
fittings and outlets (180 degrees)
A schematic is a drawing in which - ✅✅-Symbols are used to represent the
components in a system
A Series circuit has only one route of - ✅✅-Current flow
A straight pull box should be? - ✅✅-Eight times the biggest conduit
✅✅-Drilled and less approved by the manufacture
A wood joist cannot be? -
AC Voltage Tag Colors Class 0 - ✅✅-Red tag 1,000 volts
AC Voltage Tag Colors Class 00 - ✅✅-Beige tag 500 volts
AC Voltage Tag Colors Class 1 - ✅✅-White tag 7,500 volts
AC Voltage Tag Colors Class 2 - ✅✅-Yellow tag 17,000 volts
AC Voltage Tag Colors Class 3 - ✅✅-Green tag 26,500 volts
AC Voltage Tag Colors Class 4 - ✅✅-Orange tag 36,000 volts
✅✅
All 15/20-amp Receptacle outlets installed in bathroom of dwelling units
should always? - -Require ground fault circuit interceptor
