小米 发表于 2012-9-17 13:17

PDSH 892 Earthing in luminaire system


http://decisions.iecee.org/icons/ecblank.gif PDSH 892

Earthing in luminaire system
7.2.1
60598-1(ed.3);am1 & 60598-1(ed.4);am1 & 60598-1(ed.5) & 60598-1(ed.6);am1 & 60598-1(ed.7)


Standard(s):
IEC 60598-1 All editions
Subclause(s): 7.2.1
No. Year DSH 0892 2010
Category: LITE Developed by: ETF5 OSM/LUM
Subject:
Earthing in luminaire system
Key words:
- Metal body
- Each luminaire
- Fixed installation
Approved at the 49th CTL Plenary Meeting, in 2012
Question:
In a luminaire system:
a) Can the metal body provide earth continuity instead of copper conductor?
b) Can the earth continuity be connected in series (feed through) as part of the fixed installation?
Decision:
a) Not acceptable.
b) Not acceptable, each luminaire must be directly earthed.


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