(NCT) Manual 2010 - Road Safety Authority

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ELECTRICAL SYSTEM
NATIONAL CAR TEST (NCT) MANUAL 2010
Method of Testing
1. Check that the ignition switch can be switched off.
2. Check that the ignition key can be removed.
3. Check for wiring that could interfere with the driver’s control of the vehicle.
4. Check electrical wiring to the extent possible without dismantling for condition, security and position.
5. Check that any after-market items fitted such as a mobile phone charger, radio etc. cannot be operated while the ignition
switch is in the off position and the key removed from the switch.
6. Check (where practical) that the wiring used in after-market fitments appears suitable.
7. Check the battery for security and leaks.
ITEM
Ignition Switch
Wiring, Cables and Connections
Battery
REASONS FOR FAILURE
1 Ignition switch missing.
2 Ignition cannot be switched off.
3 Ignition key cannot be removed.
4 Wiring liable to interfere with the driver’s control of the vehicle.
5 Risk of fire including risk associated with:
(a) electrical wiring dislocated or insecure.
(b) electrical wiring insulation damaged.
(c) after-market items other than taxi roof signs, antitheft
systems and light failure indicators not wired
through the ignition switch or a fuse.
(d) use of unsuitable wiring e.g. household wiring/ bell wiring.
6 Mounting unsatisfactory.
7 Risk of short-circuiting.
8 Leakages.
NOTE: A number of fatal fires in cars have been attributed
to faulty wiring. Testers are asked to be particularly diligent
when examining wiring that could result in a vehicle fire.
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