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5 - Electrical Installation
For safety purposes, only competent personnel should perform the electrical installation. All
equipment should be installed to current Electrical Regulations and Standards.
In order to obtain the maximum light output from the searchlight, it is essential that the full
operating voltage of the lamp fitted be applied to the lampholder contacts.
Method of Electrical Connection
1) Disconnect the supply before working on the electrical system;
2) The searchlight must be connected to a fused electrical supply, using suitably sized cable;
3) If the searchlight is located a considerable distance from the mains supply, provision must be
made in the cable size in order to overcome the voltage drop.
The PSU should NOT be positioned no more then 5 meters away from the Searchlight.
The following table below indicates the maximum length of cable to be used for the AC supply
cable, from the control panel to the searchlight:
Searchlight 115v 2Kw 240v 2Kw
Cable Size (mm²) Distance Max Distance Max
1.5 8 MTRS 37 MTRS
2.5 14 MTRS 60 MTRS
4 22 MTRS 96 MTRS
6 34 MTRS 150 MTRS
10 57 MTRS 250 MTRS
4) Whenever possible cable terminations should be made below deck and with approved terminal
devices;
5) If a spare auxiliary fuse or circuit breaker is not available, one of the correct type and rating
should be fitted and connected to a positive supply. It is advisable to locate a bus bar or main
connection and avoid any direct connection to the supply:
6) For 110/220v AC products, the following colour coding system should be used for the customer
supply cable:
Brown - Live
Blue - Negative
Green/Yellow - Earth
Note: This equipment must be earthed.