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Wireman Set-1
Control panel Wiring and Maintenance
10

Control panel Wiring and Maintenance MCQ with Answers

10) What is the use of wire ferrule in control panel wiring?

Harnessing the cable

Insulating the cable

Easy identification of cable end

To protect the wire from heat

Answer is:

Easy identification of cable end

Control panel Wiring and Maintenance MCQ with Answers

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Related Control panel Wiring and Maintenance MCQ with Answers

11) Which accessory is used to insulate and hold the cables, if they pass through punched or drilled hole in control panel?

Grommet

PVC channel

Wire clips

Wire sleeves

Answer is:

Grommet

12) Which is the minimum spacing between components and raceways in panel board if system voltage is 415V?

50 mm

100mm

60 mm

75 mm

Answer is:

100mm

13) Which colour of earth wire is used in control panel to earth door and cabinet?

Red

Yellow

Blue

Green yellow

Answer is:

Green yellow

14) Which test is to be done regularly in panel board with priority?

Main power contacts condition

Insulation resistance and earth continuity

MCB connection

Filter and cooling fan

Answer is:

Insulation resistance and earth continuity

Control panel Wiring and Maintenance MCQ with Answers

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