ELECTRICAL REGULATIONS EXAM
STUDY QUESTIONS AND ANSWERS
100% CORRECT
Refer to the Electricity (Safety) Regulations 2010 and state the circumstance where an
electrical appliance may cause injury to a person and is not electrically unsafe. -
ANSWER-Electrical appliances designed and used for patient treatment.
Refer to the Electricity (Safety) Regulations 2010 and state the maximum operating time
permitted for a RCD installed for the protection of property. - ANSWER-0.5 s at its rated
residual current
OR
0.15 s at 5 times its rated residual current.
Refer to the Electricity (Safety) Regulations 2010 and state the maximum rated residual
current permitted for a RCD installed for the protection of property. - ANSWER-300mA
Refer to the Electricity (Safety) Regulations 2010 and state one offence relating to
certificates of compliance that is liable to a level 2 penalty. - ANSWER-Any one of:
1. Falsely certifies any prescribed electrical work.
2. Purports to certify prescribed electrical work when the certificate of compliance does
not comply with the requirements of regulation 66 (1)
3. Issues a certificate of compliance that contains incorrect information.
4. Issues a certificate of compliance in relation to particular prescribed electrical work
when not authorised to certify that work.
A caravan that is to be hired or leased must comply with the requirements of the
Electricity (Safety) Regulations 2010. Refer to the Electricity (Safety) Regulations 2010
and state what document must exist before a person can hire out a caravan. -
ANSWER-A current warrant of electrical fitness
Use the Electricity (Safety) Regulations 2010 to answer the following: A warrant of
electrical fitness for a caravan must be issued in accordance with which Standard. -
ANSWER-AS/NZS 3001.
Use the Electricity (Safety) Regulations 2010 to answer the following: A warrant of
electrical fitness for a pleasure vessel must be issued in accordance with which
Standard. - ANSWER-AS/NZS 3004.2
Refer to AS/NZS 3000:2007 and state two situations where RCD protection shall be
provided in a new domestic electrical installation. - ANSWER-Any two of:
Socket-outlet final subcircuits.
, Lighting final subcircuits.
Directly connected hand-held electrical equipment.
Refer to AS/NZS 3000:2007 and state two types of terminations permitted for tunnel-
type terminals. - ANSWER-Any two of:
1. Be of a type having two screws.
2. Be of a type having one screw with an outside diameter not less than 80% of the
tunnel diameter.
3. Be of a type having the conductor clamped by suitable ferrules or plates in direct
contact with the conductor.
Refer to AS/NZS 3000:2007 and state one requirement for indicating the position of the
buried cable after it has been installed. - ANSWER-Any one of:
1. Permanent cable marker signs shall be provided to indicate the point where cable
enters or leaves a structure.
2. Recorded on a plan, and the plan located at the switchboard from where the cable
originates.
Refer to AS/NZS 3000:2007 and state two earthing system parts that are required to be
connected to the MEN system of an electrical installation. - ANSWER-Any two of:
1. Protective earthing conductors connecting exposed conductive parts as required.
2. Main earthing conductor.
3. Main earthing terminal, connection or bar.
4. MEN connection between the main earthing terminal, connection or bar and the
supply neutral bar.
5.Earth electrode.
6. Equipotential bonding of extraneous conductive and other parts as required.
Refer to AS/NZS 3000:2007 and state the minimum size of copper earthing conductor
for a 25mm2 cable with aluminium active conductors. - ANSWER-6mm2
Refer to AS/NZS 3000:2007 and state one condition for using aluminium conductors as
earthing conductors. - ANSWER-Any one of:
1. Conductors of 10mm2 or less shall be solid conductors.
2. Minimum 16mm2 conductors shall be used for main earthing conductors.
3. Necessary care shall be taken to provide satisfactory terminations.
4. Necessary care shall be taken to prevent corrosion of the conductor.
5. Conductors shall not be installed underground or in damp conditions.
Earthing conductors are generally copper or aluminium. Refer to AS/NZS 3000:2007
and state one requirement for the use of other materials (not copper or aluminium) as
earthing conductors. - ANSWER-Any one of:
1. The conductor resistance shall not be greater than that for a copper earthing
conductor.
2. The degree of corrosion shall not be inferior to other material suitable for the purpose.
STUDY QUESTIONS AND ANSWERS
100% CORRECT
Refer to the Electricity (Safety) Regulations 2010 and state the circumstance where an
electrical appliance may cause injury to a person and is not electrically unsafe. -
ANSWER-Electrical appliances designed and used for patient treatment.
Refer to the Electricity (Safety) Regulations 2010 and state the maximum operating time
permitted for a RCD installed for the protection of property. - ANSWER-0.5 s at its rated
residual current
OR
0.15 s at 5 times its rated residual current.
Refer to the Electricity (Safety) Regulations 2010 and state the maximum rated residual
current permitted for a RCD installed for the protection of property. - ANSWER-300mA
Refer to the Electricity (Safety) Regulations 2010 and state one offence relating to
certificates of compliance that is liable to a level 2 penalty. - ANSWER-Any one of:
1. Falsely certifies any prescribed electrical work.
2. Purports to certify prescribed electrical work when the certificate of compliance does
not comply with the requirements of regulation 66 (1)
3. Issues a certificate of compliance that contains incorrect information.
4. Issues a certificate of compliance in relation to particular prescribed electrical work
when not authorised to certify that work.
A caravan that is to be hired or leased must comply with the requirements of the
Electricity (Safety) Regulations 2010. Refer to the Electricity (Safety) Regulations 2010
and state what document must exist before a person can hire out a caravan. -
ANSWER-A current warrant of electrical fitness
Use the Electricity (Safety) Regulations 2010 to answer the following: A warrant of
electrical fitness for a caravan must be issued in accordance with which Standard. -
ANSWER-AS/NZS 3001.
Use the Electricity (Safety) Regulations 2010 to answer the following: A warrant of
electrical fitness for a pleasure vessel must be issued in accordance with which
Standard. - ANSWER-AS/NZS 3004.2
Refer to AS/NZS 3000:2007 and state two situations where RCD protection shall be
provided in a new domestic electrical installation. - ANSWER-Any two of:
Socket-outlet final subcircuits.
, Lighting final subcircuits.
Directly connected hand-held electrical equipment.
Refer to AS/NZS 3000:2007 and state two types of terminations permitted for tunnel-
type terminals. - ANSWER-Any two of:
1. Be of a type having two screws.
2. Be of a type having one screw with an outside diameter not less than 80% of the
tunnel diameter.
3. Be of a type having the conductor clamped by suitable ferrules or plates in direct
contact with the conductor.
Refer to AS/NZS 3000:2007 and state one requirement for indicating the position of the
buried cable after it has been installed. - ANSWER-Any one of:
1. Permanent cable marker signs shall be provided to indicate the point where cable
enters or leaves a structure.
2. Recorded on a plan, and the plan located at the switchboard from where the cable
originates.
Refer to AS/NZS 3000:2007 and state two earthing system parts that are required to be
connected to the MEN system of an electrical installation. - ANSWER-Any two of:
1. Protective earthing conductors connecting exposed conductive parts as required.
2. Main earthing conductor.
3. Main earthing terminal, connection or bar.
4. MEN connection between the main earthing terminal, connection or bar and the
supply neutral bar.
5.Earth electrode.
6. Equipotential bonding of extraneous conductive and other parts as required.
Refer to AS/NZS 3000:2007 and state the minimum size of copper earthing conductor
for a 25mm2 cable with aluminium active conductors. - ANSWER-6mm2
Refer to AS/NZS 3000:2007 and state one condition for using aluminium conductors as
earthing conductors. - ANSWER-Any one of:
1. Conductors of 10mm2 or less shall be solid conductors.
2. Minimum 16mm2 conductors shall be used for main earthing conductors.
3. Necessary care shall be taken to provide satisfactory terminations.
4. Necessary care shall be taken to prevent corrosion of the conductor.
5. Conductors shall not be installed underground or in damp conditions.
Earthing conductors are generally copper or aluminium. Refer to AS/NZS 3000:2007
and state one requirement for the use of other materials (not copper or aluminium) as
earthing conductors. - ANSWER-Any one of:
1. The conductor resistance shall not be greater than that for a copper earthing
conductor.
2. The degree of corrosion shall not be inferior to other material suitable for the purpose.
