SANS 1464-22 Ed. 1.03 (2007) Safety Of Luminaires - Part 22: Luminaires For Emergency Lighting

Luminaire classification

Emergency lighting luminaires shall be classified and marked in accordance with their construction,

as follows:

A unique designation denoting the type, mode of operation, the facilities included and the rated

duration of operation of the luminaire shall be affixed to the luminaire in a conspicuous position.

The designation shall consist of a rectangle divided into three or four segments each containing one

or more symbols. Relevant to the construction of the designation, each symbol in a segment shall

indicate a letter or a figure or a point of no indication.

The shape of the emergency lighting luminaire designation shall be as follows:

* * **** ***

The segments and symbols shall be completed by letters and figures that indicate the construction

of a luminaire.

a) The first segment shall contain one symbol that indicates TYPE, i.e.

X: self-contained, or

Z: central supply.

b) The second segment shall contain one symbol that indicates MODE OF OPERATION, i.e.

0: non-maintained, or

1: maintained, or

2: combined non-maintained, or

3: combined maintained, or

4: compound non-maintained, or

5: compound maintained, or

6: satellite.

c) The third segment shall contain four symbols that indicate FACILITIES and can be completed,

where appropriate, at the time of installation, i.e.

A: including test devices,

B: including remote rest mode,

C: including inhibiting mode, and

D: high-risk task-area luminaire.

d) The fourth segment shall contain three symbols for SELF-CONTAINED LUMINAIRES to indicate

the rated duration of operation, expressed in minutes, as follows:

*10: 10 min duration;

*60: 1 h duration;

120: 2 h duration; and

180: 3 h duration

The following examples show how marking should be composed.

Example 1: X 1 *B*D *60

Example 1 indicates a self-contained, maintained luminaire that includes a remote rest mode,

which is suitable for a high-risk task-area and has an emergency mode duration of 60 min.

Example 2: Z 1 *****

Example 2 indicates a centrally supplied, maintained luminaire.

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