3
1.3
Safe Practices
Only qualified electrical workers with training and experience on high voltage circuits should be permitted to work
on this equipment. They should be familiar with the work to be performed, the safety equipment required and
hazards involved.
Read and understand these instructions before attempting any assembly, operation, or maintenance of this
switchgear. Exceeding nameplate ratings of switchgear could cause property damage, severe injury, or death.
1. Make sure all power sources are disconnected before making any adjustments or performing maintenance.
2. After opening the switch and before opening the door, use viewing window to insure that all three switch
blades are open. If necessary, use a flashlight to verify.
3. Never energize the switch without the arc chutes and barriers installed.
4. Always be sure that all hardware is in place and bolted tightly before putting switch into operation.
5. Before replacing covers, carefully inspect buswork and phase barriers to insure that no tools or other
objects are accidentally left inside the unit.
WARNING
There are several interlocks on the switches. They are for personnel and/or
equipment protection. Under no circumstances should they be made
inoperative when switch is in service. To do so could cause bodily injury
or property damage.
!
NOTE
Any work done on this equipment must
conform to the appropriate OSHA and
NFPA standards.
BreakMaster Load Interrupter Switch
