They are campaigning for better pay and conditions.
Retained fire services in Kildare and around the country have ramped up their industrial action.
They have 'gone dark' since 8 o'clock this morning, providing no internal communications other than life-saving information.
Around 2,000 retained firefighters are campaigning for better pay and conditions.
Kildare has no full time Fire Stations.
Newbridge, Naas, Athy, Maynooth, Monasterevin and Leixlip all operate on a retained basis.
SIPTU Division Organiser, Karan O'Loughlin, says they will only respond to emergencies:
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