Table 15-3. Interior wiring and lighting system-continued.
Infrared scan, if available, and inspect
buildings for defective wiring and loose
connections. Tighten or replace, as
necessary. Check grounds for continuity.
Check all systems for abnormal conditions.
Inspect disconnects, cabinets, panels and load
centers. Tighten connectionss. Clean panels.
Check fuse sizes. Manually operate switches
Use ohmmeter to detect grounds. Eliminate
Check and correct unbalance of loads
Clean transformers, ducts and capacitors.
Clean lighting fixtures whenever foot-candle
readings drop 20 to 25%. This will beat
approximate ly annual intervals in ordinary
offices, longer in clean rooms, and at lesser
intervals for dirty areas. Work should be
accomplished by custodial or by user if
Test power circuit breakers and protective
Test metering and indicating instruments
Every 5 years
Test molded case feeder and main circuit
breakers in main panelboards.
Test single phase watt hour meters.