1. List where you test on a 3 phase and neutral installation to confirm Safe Isolation?
2. What documents are required for a new installation, who is responsible for determining next test and who the forms are given to?
3. Sketch layout of a TN-C-S domestic intake position? Page 15 in OSG
4. You are testing Earth Fault Loop Impedance on a TT system.
Why is it necessary to isolate the installation before testing?
What do you have to do with the earth conductor before testing?
Why can reading be recorded as the electrode value?
5. Ohm meter giving incorrect reading.
2 methods to verify?
What do you do if faulty?
6. Identify 3 factors which can affect the time taken to complete an installtion?
7. You are working onsite for a few weeks
Suitable storage for tools/equipment?
Precautions for materials onsite?
8. 3 methods to make area safe before starting work?
9. You had to draw a diagram for a an earth fault loop path for a TN-C-S system for a fault on a fixed load within the installation.
1. describe reliationship between-
A.supplier to main contractor
B. client to consultant
C.main contractor to sub contractor
2 balancing load they gave you 9 different currents and said balance them over 3 phases
3.compare cable avdantages and gave 6 cables
4. draw a diagram and explain polarity testing
5.rcd trip test values and times
6 describe onload and off load switching
that some i can remember
Q1 Describe THREE work activities, related to the building fabric which may be undertaken when installing steel conduit and trunking in a new brick and steel frame workshop.
B) List THREE materials which may be required for remedial work following the rewiring of domestic premises, with concealed wiring and flush accessories.
Q2 State the term used to describe a formal document which sets out the terms of an agreement between two parties.
B) List TWO steps that would be involved in making such an agreement between a main contractor and an electrical contractor.
Q3 List THREE categories of switching identified in BS 7671.
B) Describe briefly the purpose of each category you have listed.
Q4 List THREE different types of overcurrent protective device.
B) State THREE factors which would influence the selection of a protective device.
Q5 List THREE requirements of BS 7671 relating to installed electrical equipment to be verified during the inspection process.
Q6 List THREE relevant documents which may assist the inspection and testing process.
Q7 Identify TWO items to be checked by a visual inspection prior to commissioning an installation, containing EACH of the following
a)trunking
b)cable tray
c)conduit
Q8 List THREE checks to be made to verify a test instrument for safety and accuracy prior to use.
Q9 Whilst carrying out an insulation resistance test on a new lighting circuit the result is unsatisfactory. list THREE steps which need to be taken.
Q10 List THREE documents that MUST be produced following the inspection and testing of a new electrical installation.
B) List the THREE areas of responsibilty which require signatures on the document.
Q11 Describe briefly how to carry out a continuity test of a main equipotential bonding conductor on a new installation prior to the connection of supply.
2. What documents are required for a new installation, who is responsible for determining next test and who the forms are given to?
3. Sketch layout of a TN-C-S domestic intake position? Page 15 in OSG
4. You are testing Earth Fault Loop Impedance on a TT system.
Why is it necessary to isolate the installation before testing?
What do you have to do with the earth conductor before testing?
Why can reading be recorded as the electrode value?
5. Ohm meter giving incorrect reading.
2 methods to verify?
What do you do if faulty?
6. Identify 3 factors which can affect the time taken to complete an installtion?
7. You are working onsite for a few weeks
Suitable storage for tools/equipment?
Precautions for materials onsite?
8. 3 methods to make area safe before starting work?
9. You had to draw a diagram for a an earth fault loop path for a TN-C-S system for a fault on a fixed load within the installation.
1. describe reliationship between-
A.supplier to main contractor
B. client to consultant
C.main contractor to sub contractor
2 balancing load they gave you 9 different currents and said balance them over 3 phases
3.compare cable avdantages and gave 6 cables
4. draw a diagram and explain polarity testing
5.rcd trip test values and times
6 describe onload and off load switching
that some i can remember
Q1 Describe THREE work activities, related to the building fabric which may be undertaken when installing steel conduit and trunking in a new brick and steel frame workshop.
B) List THREE materials which may be required for remedial work following the rewiring of domestic premises, with concealed wiring and flush accessories.
Q2 State the term used to describe a formal document which sets out the terms of an agreement between two parties.
B) List TWO steps that would be involved in making such an agreement between a main contractor and an electrical contractor.
Q3 List THREE categories of switching identified in BS 7671.
B) Describe briefly the purpose of each category you have listed.
Q4 List THREE different types of overcurrent protective device.
B) State THREE factors which would influence the selection of a protective device.
Q5 List THREE requirements of BS 7671 relating to installed electrical equipment to be verified during the inspection process.
Q6 List THREE relevant documents which may assist the inspection and testing process.
Q7 Identify TWO items to be checked by a visual inspection prior to commissioning an installation, containing EACH of the following
a)trunking
b)cable tray
c)conduit
Q8 List THREE checks to be made to verify a test instrument for safety and accuracy prior to use.
Q9 Whilst carrying out an insulation resistance test on a new lighting circuit the result is unsatisfactory. list THREE steps which need to be taken.
Q10 List THREE documents that MUST be produced following the inspection and testing of a new electrical installation.
B) List the THREE areas of responsibilty which require signatures on the document.
Q11 Describe briefly how to carry out a continuity test of a main equipotential bonding conductor on a new installation prior to the connection of supply.