AS3000

Question 1

1.4.2 Accessible is not more than what height above the normal standing surface?

Answer 1

2m

Question 2

1.4.12 Arms reach is what measurement?

Answer 2

2.5m up 1.25m out 0.75m below back

Question 3

1.14 Authorised person

Answer 3

Person in charge of premises
licensed electrical contractor
person appointed by person in charge to perform certain duties

Question 4

1.4.15 Available readily

Answer 4

can be reached without dismantling

Question 5

1.4.16 Barrier

Answer 5

provides basic protection from usual direct access

Question 6

1.4.21 cable MIMS

Answer 6

mineral insulated metal sheathed

Question 7

describe MIMS

Answer 7

compressed metal powder mineral insulation enclosed in solid drawn metal sheathing

Question 8

1.4.22 cable neutral screened

Answer 8

cores surrounded by concentric wire outer conductor further protected by an insulated sheath

Question 9

1.4.24 ceiling, suspended

Answer 9

hung from floor or roof above AS/NZ2785

not nailed timber AS/NZ2589.1

Question 10

1.4.27 Class I equipment

Answer 10

does not rely on basic insulation only

accessable conductive parts connected to earthing conductor so as not to be live in basic insulation failure

Question 11

Class I may have..

Answer 11

double insulation

parts operating at SELV

Question 12

1.4.28 Class II equipment

Answer 12

does not rely on basic insulation only
double or reinforced insulation etc
no provision for protective earthing

Question 13

Class II types

Answer 13

insulation encased
metal encased
combination of above

Question 14

insulation encased class II

Answer 14

durable, substantially continuous insulating enclosure of all metal parts except small parts isolated from live parts by at least reinforced insulation.

Question 15

metal encased class II

Answer 15

substantiallly continuous metal enclosure, double insulation used throughout except where impracticable then reinforced insulation

Question 16

1.4.29 Class III Equipment

Answer 16

SELV Supply, no voltage generated above SELV

Question 17

1.4.33 Consumer mains

Answer 17

conductors between POA and main switchboard

Question 18

1.4.34 contact indirect

Answer 18

contact with part live under fault conditions

Question 19

1.4.36 current fault

Answer 19

insulation failure or bridging

Question 20

1.4.38 current overload

Answer 20

overcurrent in as n electrically sound circuit

Question 21

1.4.39 current short circuit

Answer 21

fault of negligible impedence between live conductors of differing voltage

Question 22

short circuit current other names

Answer 22

prospective short ciruit current

bolted fault

Question 23

short circuit current value

Answer 23

maximum fault current

three phase rms unless stated otherwise

Question 24

1.4.44 Earthed situation

Answer 24

within 2.5m of a conductive standing service
external to a building
within 2.5m of floor in rooms containing socket outlets and simultaneous contact is possible
all parts of wet area rooms

Question 25

1.4.53 Exposed conductive part

Answer 25

can be touched with standard finger test AS 3100 | can become live if badic insulation fails

Question 26

1.4.54 Extraneous conductive part

Answer 26

not part of installation but may be equipotential to earth.

Question 27

Basic insulation

Answer 27

provides badic protection | not always used soley for functional purposes

Question 28

Supplementary insulation

Answer 28

Independent of basic insulation. | ensures protection if basic insulation fails

Question 29

Double insulation

Answer 29

Combines both badic and supplementary insulation.

Question 30

Double insulation cables

Answer 30

sheathed to AS5000 sheathed flexible to AS3191 not inc 'light duty' sheathed neutral screened to AS4961

Question 31

Reinforced insulation

Answer 31

insulation system equivalent to double insulation under conditions add pecified in AS3100 Aerial bundled cable to AS3560