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GE LIGHTING - SHOWBIZ™ ENTERTAINMENT LIGHTING CATALOGUE
116
Pins - 350°C maximum
Above this figure the plating on the pins may lose adhesion and the contact will deteriorate. Such
deterioration may form local hot spots which rapidly worsen and may result in arcing and irreparable
damage to both lamp and holder. Should signs of this be evident on removal of a failed lamp, it is
important that a good contact is restored by replacing the lampholder before the next lamp is fitted,
otherwise the new lamp will rapidly fail in a similar manner.
N.B. For sealed beam lamps - to ensure that the above conditions are met, it is important that the lamp
does not operate above 400°C even in an enclosed fitting.
Fusing of Discharge Studio and Theatre Lamps
A quick acting high breaking capacity fuse must be connected in the supply line in all applications.
Suitable types are given in BS88 (IEC 60269), IEC 60127 or IEC 60241. See page 111 for suitable fuse
ratings.
GE LIGHTING - SHOWBIZ™ ENTERTAINMENT LIGHTING CATALOGUE
117
Spectral distribution of luminous flux (lumens) for
CSI discharge lamps
4
3
2
1
400 500 600 700 800
wavelength (nm)
mW / 5nm / W
Spectral distribution of luminous flux (lumens) for
CID discharge lamps
2.5
2.0
1.5
1.0
0.5
400 500 600 700 800
wavelength (nm)
mW / 5nm / W