School electrical maintenance fixing exit sign, fire alarm system, blown breaker, light switches etc

Fixing and testing emergency lights.Подробнее

Emergency lighting testing/maintenance 1964 middle schoolПодробнее

Replacing Exit sign with running man/ISO Exit signПодробнее

conventional fire alarm system wiring diagram/connectionПодробнее

November no power fire alarm, emergency lights, exit signs and generator testПодробнее

Installing a exit signПодробнее

REPLACE EMERGENCY EXIT SIGNПодробнее

School electrical work fire alarms, 14 blown breakers, emergency lights, Inside/outside lightsПодробнее

Vintage Burglar and Fire Alarm System In A 1970’s MansionПодробнее

December fire alarm, emergency light/exit sign and generator testingПодробнее

Testing Emergency Lights and Exit SignsПодробнее

Exit Sign/Emergency Lighting Inspection 18Подробнее

Exit Sign - Emergency Light RepairПодробнее

Exit Signs and Emergency Lighting InspectionПодробнее

School exit sign durability testing. (destroying a exit sign)Подробнее

Fixing the fire alarm synchronization at my high school (part one mission failed)Подробнее

Fixing my school's Fire Alarm synchronization problem (part two) FINALLY FIXED!Подробнее

How To Install an Exit Sign by a Professional ElectricianПодробнее