PDSH 860 Portable luminaire; different parts can be loosen by hand

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PDSH 860

Portable luminaire; different parts can be loosen by hand   {) ~6 @% _/ p$ s1 [

4.12.4

60598-1(ed.3);am1 & 60598-1(ed.4);am1 & 60598-1(ed.5) & 60598-1(ed.6);am1 & 60598-1(ed.7) & 60598-2-4(ed.1);am1-am3 & 60598-2-4(ed.2)

Standard(s):
  {" ?! C9 i1 n) b1 cIEC 60598-1
( [% q' `7 p8 @" }3 ^1 K& D4 U8 m: RIEC 60598-2-4 All editions
Subclause(s): 4.12.4
No. Year PDSH 0860 2010
1 v8 r$ X  V  G3 W1 FCategory: LITE Developed by: ETF5 OSM/LUM
Subject:
- q6 r" P/ N% XPortable luminaire; different parts can be loosen by hand
Key words:
- Middle pipe
- Adequate means
- Clause 4.12.4
2 C- B* Y! M- V, Z5 }# x$ eTo be approved at the 49th CTL Plenary Meeting, in 2012
Question:
Is it acceptable that different parts of a luminaire can be loosen by hand and by the twisting of the cable?
2 X' \7 v8 h! V: Z0 r& UIn this case the cord anchorages are placed on the base and the middle pipe, and are threaded in both ends
9 I4 T, P- Q! L) c* I' \but without means of preventing the loosening of the screw connection. It can be loosen by hand. During
; _" F1 [( Z% ?: `, E. [/ U3 rsuch an action, the cable will be twisted or the luminaire might fall in pieces. There is no cord anchorage
at the lampholder on the arm.
: {: k- J- y! ~5 r6 RDecision:
& V' c1 P" s" L. e* @) H* ?* l% a3 hNot accepted as the middle pipe is not provided with adequate means preventing the screw connections
7 B7 W1 ~8 m* L* G8 _& I  }( Q. Jwork loose. The cable can become twisted or the luminaire can fall into pieces during normal use, c.f. §
4.12.4.
$ N; n) O, ?/ D7 d5 w