Document UT-MT-0779_EN
Page 14 of 37
Edition 23/04/2019
Supersedes edition 06/03/2019
LED INSET RUNWAY EDGE LIGHT LIRE
INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE
2.2
SHALLOW BASE
The shallow base (Figure 8) consists of a treated aluminium casting containing an
electrical feed-thru system to connect the power cables, consisting of one or two
cable leads with receptacle incoming inside the base through one or two cable
glands. The cable lead with receptacle consists of two single-pole leads, size 2.5 mm
2
,
1.00 m long, with FAA L-823 receptacle.
The letters "A" and “B” are printed inside the base for cable leads identification.
The base is equipped with an internal grounding screw with XHHW, 600V, AWG12
cable lead, 0.250 m long, with female faston terminal for quick connection to the
corresponding of the fixture. An additional external grounding screw is provided
close to the cable entry.
The shallow base is designed for cementing in place by means of epoxy-resin in a hole
drilled in the pavement.
The fixture has to be fastened to the base by means of six hex cap screws, complete
with external silicon-coated lock-washer.
A gasket (separately supplied) must be placed between base and fixture for
watertightness (Figure 8 - n°9) placed in the relevant shallow base groove.
The 12” shallow base is 320 mm in diameter and 150 mm high.
On request, special bases without cable leads can be supplied, provided with holes
suitable for conduit connections.
Inside the base two suitable holders (Figure 8 - n°7) are provided to properly sustain
the secondary power cable, in case of this cable is inside incoming through a conduit.
1. Cable gland for cable entry
2. External grounding screw
3. Cable leads with socket
4. Internal grounding screw
5. Grounding cable with female
faston terminal
6. Letters “A” for cable lead
identification
7. Power cable holders
8. Threaded holes for fixture
fastening by bolts
9. O-Ring between fixture and base
Figure 8 – Standard 12” shallow base
