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Testing and inspection Intervals


Table 4 - Testing and inspection intervals for electrical equipment AS/NZS 3760:2003

Table 4 from AS/NZS 3760:2003 is reproduced with the permission of Standards New Zealand under Licence 697. The Standard may be purchased by going to the Standards New Zealand website http://www.standards.co.nz and putting 3760 in the keyword box.


Class of equipment

Residual Current Devices (RCDs)





Push-button test - by user

Operating time and push- button test


Type of environment and/or equipment

(a)

Class I
protectively earthed)
(b)

Class II
double insulated)
(c)

Portable

(d)

Fixed

(e)

Portable

(f)

Fixed

(g)


cord sets and power boards

h)

1 Factories, workshops, places of work or repair, manufacturing, assembly, maintenance or fabrication

6 months

12 months

Daily, or before every use, whichever is the longer

6 months

12 months

12 months

6 months

2 Environment where the equipment or supply flexible cord is subject to flexing in normal use OR is open to abuse OR is in a hostile environment

12 months

12 months

3 months

6 months

12 months

12 months

12 months

3 Environment where the equipment or supply cord is NOT subject to flexing in normal use and is NOT open to abuse and is NOT in a hostile environment

5 years

5 years

3 months

6 months

2 years

2 years

5 years

4 Residential type areas of: hotels, residential institutions, motels, boarding houses, halls, hostels accommodation houses, and the like

2 years

2 years

6 months

6 months

2 years

2 years

2 years

5 Equipment used for commercial cleaning

6 months

12 months

3 months

N/A

12 months

N/A

12 months









6 Hire equipment:








Inspection

Prior to hire

Including push-button test by hirer prior to hire

N/A

N/A

Prior to Hire

Test and Tag

3 months

N/A

3 months

12 months

3 months

7 Repaired, serviced and second-hand equipment

After repair or service which could affect electrical safety, or on reintroduction to service.
NOTE 1 The actual sub-environment in which the equipment is located determines the row for the environment to be used in Table 4. e.g. A computer in a non-hostile environment in an office within a factory would attract a test/inspection action in accordance with Row 3.
NOTE 2 Regulatory authorities, other Standards, workplace safety requirements or manufacturers’ instructions may specify intervals appropriate to particular industries or
specific types of equipment.
NOTE 3 RCDs in transportable equipment shall be regarded as portable RCDs
NOTE 4 The following Standards refer only to the inspection and testing method of Clause 2.3 of this Standard, but not to the intervals of testing in Table 4 above.

Refer to the appropriate Standards for specific test intervals:
AS 1674.2 Safety in welding and allied processes - Electrical
AS/NZS 3001 Electrical installations – Re-locatable premises (including caravans and tents) and their site installations
AS/NZS 3002 Electrical installations – Shows and carnivals
AS/NZS 3003 Electrical installations –Patient treatment areas of hospitals and medical and dental practices and dialysing locations
AS/NZS 3004 Electrical installations –Marinas and pleasure craft at low voltage
AS/NZS 3012 Electrical installations –Construction and demolition sites
AS/NZS 4249 Electrical safety practices – Film, video and television sites