Table 4

AS-NZS3760: Table 4 - 2003

TABLE 4

Testing and inspection intervals for electrical equipment

(CAUTION: This page must be read in conjunction with the Standard as a whole, and particularly Clause 2.1)

Type of environment and/or equipment (a)	Interval between inspection and tests
	Class of equipment		Residual Current Devices (RCDs)				Cord sets and power boards (h)
	Class I (protectively earthed) (b)	Class II (double insulated) (c)	Push-button test - by user		Operating time and push- button test
	Class I (protectively earthed) (b)	Class II (double insulated) (c)	Portable (d)	Fixed (e)	Portable (f)	Fixed (g)
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

This Standard has been reproduced with permission from Standards New Zealand. © Standards New Zealand 2001 and can be purchased on line at www.standards.co.nz. (click on purchasing standards on the tabs at the top of the page).

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