Clean Air Act 1993: Ensures that companies operating furnaces, boilers or incinerators use well-engineered combustion equipment A = 3
Pollution Prevention and Control Regulations 2000: Sets directives regarding controlling pollution from certain industrial activities B = 4
Waste Electrical and Electronic Equipment EU Directive 2007: Act that brings compliance regarding European obligation regarding recycling electrical waste C = 5
Environmental Protection Act 1990: Act that ensures that the best practicable environment option is employed to control pollution D = 1
Controlled Waste Regulations 1998: Act that ensures you transfer waste to an authorised company E = 2
Environmental Health Officer: Person who periodically tests the water quality of recreational water in swimming pools and private water supplies A = 2
Environment Agency: Organisation that has the power to seize vehicles involved in illegal waste disposal B = 1
Landfill: Waste that cannot be recycled C = 4
Built environment: Things we use to build with that can change the environment for everyone D = 5
Public nuisance: An act that interferes with the rights of the public by affecting life, health, property, morals or reasonable comfort or convenience E = 3
Time sheet: A record of the work activities of employees on a daily basis A = 3
Delivery note: A record of what material has been delivered on site B = 5
Day work sheet: A record that accounts for any materials and time spent on extra work C = 4
Job sheet: A record of the technical work required to be carried out D = 2
Variation order: A record of any extra work carried out E = 1
2 way switch A = 2
Pull switch B = 1
Intermediate switch C = 3
Socket outlet D = 7
Fluorescent lamp: E = 6
Wall-mounted lamp F = 5
Earth G = 4
BS7671 Wiring Regulations: Main non-statutory document that brings about an electrician’s code of practice A = 5
On-Site Guide: Pocket version of BS 7671, although you can read earth loop impedance values directly without correction B = 2
Guidance Note 3: This non-statutory document gives specific guidance on inspection and testing of electrical installations C = 1
Electricity at Work Regulations 1989: A statutory document that details specific precautions when working with electricity at work D = 4
Health and Safety at Work Regulations 1974: A health and safety umbrella Act from which other statutory regulations were formed E = 3
Measurement of Prospective Fault Current, values expected to be in KA:
Measured at the supply origin to ensure its maximum value is documented to ensure that switch gear & protective devices are assessed for breaking capacity A = 1
Stated Loop impedance values have to be multiplied by 0.8: Reading Zs from BS7671 B = 4
Loop impedance values can be read directly as stated: Reading Zs from the On-Site-Guide or Guidance Note 3 C = 2
Measuring Earth Loop impedance: Measured at the furthest most point to ensure its maximum value is low enough to comply with shock protection requirements D = 3
Testing earth electrode resistance: Protective equipotential bonding is disconnected E = 6
Measuring Prospective Fault Current: Protective equipotential bonding is connected F = 5
0.05–0.08Ω - High fault current will flow and lead to a protective device operating quickly: Acceptable range of values for Continuity of Circuit Protective Conductor A = 2
1MΩ – Within limits but possible Latent fault: Acceptable value of Insulation Resistance but further investigation is recommended B = 3
2MΩ: Acceptable value of Insulation Resistance C = 4
500V: Insulation resistance meter setting for a domestic single phase supply D = 5
NULL: Built in test equipment facility that removes value of test leads from reading under test. Alternatively subtract meter leads from measured value E = 1
Details and symptoms of the fault: Talk to the customer, job sheet, carry out functional test A = 2
Is the circuit deteriorating slowly? Compare previous testing data (schedule of test results), maintenance records regarding component replacement B = 1
Confirm correct size of circuit and protective conductors: Refer to BS7671, On-Site Guide, GN3 C= 5
Evaluate if equipment is operating operates correctly in different modes of operation: User guide D = 4
Technical advice on how to install equipment: Manufacturer’s instructions E = 3
No evidence of overcurrent but cable insulation is showing signs of deterioration (heat damaged): Possible overloading: increase size of conductor A = 2
Circuit cannot achieve disconnection times: install a supplementary bonding conductor B = 5
Assembly line motors are sluggish in operating after the circuit conductors were extended in length: Possible volt drop issue – increase size of assembly line motor conductors C = 1
Upstairs sockets circuit breaker trips when I stand near the bedroom door: Suspect loose floor board impacting on cable installed too close to the surface D = 3
Relay has burnt out: If a short circuit is not apparent, then check design current against relay rating E = 7
Incorrect rotation on three-phase motor: Two of the line conductors are cross connected F = 4
No indications of short circuit but circuit breaker operates as soon as power is applied: Check condition, type and rating of circuit breaker matches load requirements G = 6
Direct on line starter: Is used to start motors rated <5 kW A = 2
Star delta starter: Is used to start motors rated at between 5 kW to 20 kW but only when motor can be started against light or no load B = 3
Autotransformer starter: Starter that can be used to start heavy loads C = 4
Rotor resistance starter: Used to start wound rotor resistance D = 1
Relay: A device that uses low power to control a larger powered system A = 3
A relay comprises: Solenoid and contacts B = 4
Contactor: Heavy duty relay C = 2
Tungsten: Type of metal used in heavy duty contacts D = 1