Overhead line night warning light Used in the neighbourhood of airports and in some valleys or estuary crossings, to signal the presence of high voltage overhead transmission lines at night, the night warning light – BAL - is now a basic factor of airtraffic safety.
Luminous source Conformity Longlife Operation Suspension clamp Auxilliary line
BAL is a low intensity light for civil aviation. This light is low-intensity, “A” type, fixed obstacle light according to I.C.O.A. (International Standards and Recommended Practices), Annex 14 volume 1, 4th edition, July 2004. And S.T.A.C. (Technical Department of Civil Aviation). PRO/STAC/SE/VIS/6003. The warning lights are installed on conductors under voltage, spaced 70 m for other sections of lines located in areas of airport and 105 m outside these areas.
Reference BAL 066 01 EXP BAL 066 02 EXP BAL 066 04 EXP BAL 090 01 EXP BAL 090 02 EXP BAL 090 04 EXP BAL 115 01 EXP BAL 115 02 04 EXP BAL 150 01 EXP BAL 150 02 04 EXP BAL 225 02 04 EXP BAL 225 06 EXP BAL 300 02 04 EXP BAL 300 06 EXP BAL 400 02 04 EXP BAL 400 06 EXP BAL 500 02 04 EXP BAL 500 06 EXP
Voltage (KV)
A: B:
Line voltage. Section of the conductor A
Ø line (mm)
Ø 14 –Ø19 Ø 19 – Ø 25 Ø 25 – Ø 32 Ø 14 –Ø 19 90 Ø 19 – Ø 25 Ø 25 – Ø 32 Ø 14 –Ø19 110 - 115 Ø 19 – Ø 32 Ø 14 –Ø 19 132 - 138 - 150 Ø 19 – Ø 32 Ø 19 – Ø 32 220 - 225 - 230 Ø 32 – Ø 52 Ø 19 – Ø 32 275 – 300 - 330 Ø 32 – Ø 52 Ø 19 – Ø 32 363 – 380 – 400 – 420 Ø 32 – Ø 52 Ø 19 – Ø 32 500 – 525 - 533 Ø 32 – Ø 52
63 - 66 - 69
Neon Type A according OACI and STAC > 100.000 hours With voltage – without current Aluminum foundry Flexible cable aluminum alloy
LT (m)
LD (m)
32
30
22
20
18
16
15
13
10
8
8
6
7
5
5,5
3,5
Weight (Kg) 28 28 28 24 24 24 22 22 19 19 17 20 17 20 16 19 15 18
B
Intensity light
10 Cd
10 Cd 10 Cd 10 Cd 10 Cd 10 Cd 10 Cd 10 Cd
Ind. a