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Ducting Systems > Ducting Systems Introduction > Flashcards

Ducting Systems Introduction Flashcards

1
Q

What colour duct is used for water service?

A

blue

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2
Q

Coiled twinwall duct comes complete with what?

A

Drawstring & 1 coupler

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3
Q

What diameters is General Purpose duct available in?

A

2”, 3”, 4”, 6” & 8”

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4
Q

What colour duct is used for BT applications?

A

Grey

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5
Q

What are the outside diameters of the duct available for BT applications?

A

54mm & 96.5mm

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6
Q

Does all twinwall duct comply with ENATS 12/24 ?

A

No

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7
Q

Which twinwall products comply with ENATS 12/24

A

Polypipe Ridgiduct & Naylor Class 2 twinwall duct

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8
Q

What colour duct is used for gas service?

A

Yellow

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9
Q

What diameters of duct are available in coils (outside dia)

A

40, 50, 63, 90, 110, 160mm

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10
Q

Perforated yellow coils of duct are available in what outside diameters?

A

60mm, 80mm, 100mm, 160mm

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11
Q

What is the purpose of split duct?

A

Repairing already installed damaged duct or for ducting existing cables

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12
Q

What colour ducting would you use for Motorway communications?

A

Purple

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13
Q

Who manufactures twinwall ducting?

A

Naylors & Polypipe Civils

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14
Q

Who manufactures Pvc Power ducting?

A

Emtelle

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15
Q

If asked to supply Class 1 power ducting what material is it made from?

A

uPVC

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16
Q

Can General purpose duct be installed under roads?

A

No

17
Q

Polypipe Ridgiduct is available in what diameters (inside diameter) ?

A

100mm, 125mm, 150mm

18
Q

(Generally ) The twinwall duct in stock is made to what standard?

A

BSEN50086-2-4

19
Q

What material is twinwall duct made from?

A

HDPE

20
Q

What is HDPE and abbreviation of?

A

High density polyethelene

21
Q

What is UPVC an abbreviation of?

A

unplasticised polyvinyl chloride

22
Q

63mm & 110mm coiled duct comes in what length coil?

A

50mtr

23
Q

160mm coiled duct comes in what length coils?

A

25mtr & 50mtr

24
Q

What is the inside diameter of 110mm twinwall duct?

A

94mm

25
Q

Twinwall duct comes in coils & lengths - how long are the lengths?

A

6mtr

26
Q

What is the inside diameter of 63mm twinwall duct?

A

50mm

27
Q

Perforated yellow coils of duct are manufactured to what standard?

A

BS4962

28
Q

What length is a roll of detectable marker tape ?

A

100mtr

29
Q

What length is a roll of normal (nondetectable) marker tape?

A

365mtr

Ducting Systems (1 decks)

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