Use a regulated power supply to prevent power surges. Shielding the cameras from high heat sources will increase their life. Silicon gel on connections will help reduce corrosion related water damage. If the monitor shakes during equipment operation, add bracing to prevent circuit board fatigue and electrical failure. Some mines pressure wash the cameras to clean the lenses but, excessively high water pressures may cause leakage past the lense seals.
Silicone gel protects speaker openings from water damage without hindering speaker operation.
Keeping a spare system on the shelf will virtually eliminate system down time concerns. Return to the Accident Reduction Program home page.