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Phase 2 T 2 Questions > T2 Part 10 Multicore Cables > Flashcards

T2 Part 10 Multicore Cables Flashcards

1
Q

Multiple Runs of SWA cable are normally installed on?

A

Cable tray

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2
Q

The perforations on steel cable tray are provided to?

A

Aid in the ventilation to cool the cables

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3
Q

Cable tray comes in which different types?

A

Light / Medium / Heavy Duty

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4
Q

Which type of bolt is used to join Cable tray

A

Round Head Bolts

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5
Q

Cut edges on HDG cable tray should be.?

A

Filed and Painted with a zinc rich paint.

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6
Q

Metallic cable tray is?

A

An exposed conductive part and must be earthed

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7
Q

What is an acceptable tool to tighten an SWA Gland.

A

Adjustable Spanner

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8
Q

The second letter Y in NYMJ stands for ?

A

P.V.C

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9
Q

In a NYMJ cable the earth Conductor has?

A

A CSA equal to the current carrying conductors

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10
Q

With Fire performance cables, LSOH-FR stands for ?

A

Low smoke zero Halogen- Flame retardant

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11
Q

With Fire performance cables, LSOH-FR stands for ?

A

Low smoke zero Halogen- Flame retardant

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12
Q

Fire Performance cables are used for?

A

Fire Alarm SYSTEMS
PA/VA Systems
Emergency Lighting systems
All of the above

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13
Q

SWA stands for ?

A

Steel Wire Armour

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14
Q

The minimum bending radius of a SWA is found by multiplying the overall diameter by a factor of.

A

8

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15
Q

According to the ETCI rules what is max permissible volt drop allowed in installations not greater than 80 Amps?

A

4%

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16
Q

When terminating two dissimilar metals what action needs to be taken.?

A

Application of an anti-corrosive paste

17
Q

When terminating two dissimilar metals what action needs to be taken.?

A

Application of an anti-corrosive paste

18
Q

The correct formula for power loss in cables is ?

A

P = |2*R

19
Q

According to the ETCl rules reference method D2 for wiring systems is ?

A

Armoured cables buried in the soil

20
Q

According to the ETCI rules ambient temperature for cable selection is considered to be ?

A

30 degrees

Phase 2 T 2 Questions (17 decks)

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