PERIODIC TESTING OF EMERGENCY AND EXIT LIGHTS

PERIODIC TESTING OF EMERGENCY AND EXIT LIGHTS

PERIODIC TESTING OF EMERGENCY AND EXIT LIGHTS

INTRODUCTION

Emergency and exit lights provide illumination for safe exit during power outages.

Fermilab has approximately 4000 emergency lights in 330 buildings and enclosures.

Fermilab uses a testing program to assure proper light function during emergencies.

RESPONSIBILITIES

Divisions/Sections are responsible for assuring that emergency and exit lights in areas

for which they have landlord responsibility are tested periodically according to the

procedure outlined below.

Emergency lights are to be tested on a monthly and annual basis as described below.

Exit lights are to be tested monthly as described below. Those exit lights powered by

an Uninterruptible Power Supply (UPS) are to be tested on an annual basis as well.

REFERENCE

NFPA 101-7.9, Emergency Lighting National Fire Protection Association 101 Life

Safety Code, 2003 ed.

NFPA 101-7.8, 7.10, Exit Lighting Emergency Lighting National Fire Protection

Association 101 Life Safety Code, 2003 ed.

PROCEDURE

Tests

a. Monthly Tests. All emergency/exit lights shall be tested monthly for at

least 30 seconds by activation of the test mechanism, unplugging the

unit, or activating the local circuit breaker. The light passes the test if it

emits a plainly visible light for the duration of the test.

b. Annual Tests. All emergency lights (and appropriate exit lights) shall be

tested annually by activation of the test mechanism or unplugging the

unit for at least 90 minutes. The light passes the test if it emits a plainly

visible light at the end of the test.

c. Exception. Emergency lighting units located in beamlines generally

inaccessible to personnel due to beamline operation are exempted from

the requirements of 1.a and 1.b above. Units in such areas shall be tested

as follows:

(i) Operating Periods (Generally inaccessible to personnel) - no

testing required.

(ii) Shutdown Periods (Generally accessible to qualified personnel),

Duration of Less Than 10 Days - no testing required.

(iii) Shutdown Periods, Duration of 10 Days to 30 Days - one-30

second test during the shutdown period.

(iv) Shutdown Periods, Duration of 30 Days to 1 Year - one 90 minute

test during the shutdown period and 30 second tests at 30 day

intervals for the duration of the shutdown period.

(v) Shutdown Periods, Duration Greater Than 1 Year - follow the

requirements of 1.a and 1.b above.

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