Construction and Maintenance Electrician Certificate of Qualification Free Assessment

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200 amp single conductors service cables may enter a service switch through:

A) non-magnetic plate

B) fibre plate

C) steel switch enclosure

D) any of the above

Where service conductors are used solely for heating equipment, the portion of the load greater than 10KW shall apply a _____% demand factor.

A) 100

B) 90

C) 75

D) 60

_______________is the maximum number of #12 AWG T90 Nylon power and lighting stranded conductors that are allowed to be installed in a 50 mm x 50 mm wireway in a welding shop.

A) 58

B) 59

C) 60

D) All of the above

A maximum number of ___ threads is required for trade size 16 steel rigid conduit:

A) 10.9

B) 14

C) 16.3

D) 19.8

22 meters of an 8/3 600 volt FT4 armoured cable installed vertically between two accessible pull boxes used for interconnection of solar power and Supply Authority power supplies shall be supported by ________ straps or clips.

A) 16

B) 15

C) 14

d) 1

A 30 amp switch fed by a 200 amp splitter requires its supply conductors to be:

A) maximum 3 m

B) maximum 7.5 m and 1/3 ampacity

C) not allowed

D) a deviation as per Rule 2-030

Where the midpoint of one phase of a 4 wire delta system is grounded to supply lighting, the phase A or red conductor shall have the voltage to ground.

A) lower

B) higher

C) Delta is not a grounded system

D) None of the above

What is the secondary line voltage on a 5:1 delta - wye connected transformer with a 600V primary?

A) 120

B) 208

C) 230

D) 240

____amp panel is the minimum size allowed to be installed without overcurrent protection on the secondary side of a 600: 120/208 transformer protected on the primary side by a 60 amp fuse..

A) 100

B) 200

C) 225

D) 400

________ watts is the continuous load for sizing the service conductors for a barbershop measuring 15 x 30 m with 10 kw hair drying equipment and 3kw lighting.

A) 13,500

B) 13,405

C) 31,438

D) 25,150

Construction and Maintenance Electrician Certificate of Qualification Free Assessment

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