Examination 2382-10 Questions

The external influence code ACM requires IP rated equipment to

• IPX4

• IPX1

• IPO

• IPX2

AS 7671 is a

• document designed solely for the use of electricians

• legal document used in a court of law

• Bon statutory document

• statutory document

The fundamental principles of BS7671 state that persons and livestock shall be protected against injury as a consequence of over voltages originating from

• motors running

• the operation of circuit breakers

• atmospheric events

• voltage recovery

The fundamental principles of BS 7671 covering the protection against voltage disturbances etc., states that the installation shall have an adequate level of immunity against

• the weather

• electromagnetic disturbances

• voltage loss

• vibration

What is the maximum As for a 10A type C circuit breaker protecting a standard discharge type lighting circuit?

• 1.15 Ohms

• 2.30Ohms

• 1.44Ohms

• 1.92Ohms

A double insulated hand held electric drilling machine is known as

• class II equipment

• a DeWalt

• class HI equipment

• class I equipment

An electrical installation certificate should be signed by

• the local authority

• a competent person

• the customer

• the REC

When considering external influences, the code AD4 requires IP rated equipment to

• IPXO

• IPX1

• IPX4

• IPX5

The external influence code AD1 requires IP rated equipment to

• IPX4

• IPX1

• IPXO

• IPX2

When considering external influences, the code AA5 relates to the ambient temperature range

• -5°C to +45°C

• -65°C to +5°C

• +5°C to +40°C

• -25°C to 0°C