BS7671 18th Edition Part 7

BS7671 18th Edition Part 7

Assessment

Assessment

Created by

Connor Jenkins

Science

KG

2 plays

Hard

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12 questions

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1.

Multiple Choice

30 sec

1 pt

The strongly preferred method of protection for the supply to portable hand tools on a construction site is...

reduced low voltage

electrical separation of circuits

automatic disconnection of supply

an RCD rated residual operating current of 30 mA or greater

Answer explanation

704.410.3.10, NOTE 1, P256

2.

Multiple Choice

30 sec

1 pt

For a swimming pool where is it not possible to locate a socket-outlet outside zone 1, the minimum height above the floor that a socket-outlet may be installed is...

1.0m

0.1m

1.25m

0.3m

Answer explanation

702.53, P247, P248

3.

Multiple Choice

30 sec

1 pt

For installations in motor caravans, the nominal DC supply voltage shall not exceed...

12 V

48 V

30 V

24 V

Answer explanation

721.313.1.2, Page 306

4.

Multiple Choice

30 sec

1 pt

Regarding the classification of medical locations, which of these is an example assigned to Group 1...

Intensive care room

Premature baby room

Delivery room

Operating theatre

Answer explanation

Annex A710 Table A710, Page 284

5.

Multiple Choice

30 sec

1 pt

For an electrical installation in a motor caravan, the cross-sectional area of all conductors shall not be less than...

1.5 mm²

4 mm²

1 mm²

2.5 mm²

Answer explanation

721.524.1, Page 309

6.

Multiple Choice

30 sec

1 pt

Regarding onshore installations used solely for the supply of inland navigation vessels, which of these wiring systems is NOT suitable for distribution circuit in berths and ports?

Overhead cables

They're all suitable

Underground cables

Armoured cables with elastomeric covering

Answer explanation

730.521.101.1 (i), (ii), and (v), Page 326

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