erickench
Senior Member
- Location
- Brooklyn, NY
Here's another question:
In order to find a blown fuse on a three-phase 208/120 volt ac panelboard, it is best to use
A. fingers across each fuse
B. a small neon test lamp connected from the line side of each fuse to ground
C. a 50-watt 120-volt test lamp placed from ground to the load side of each fuse in turn
D. an ohmmeter across each fuse on the panelboard
Which is the correct answer?
In order to find a blown fuse on a three-phase 208/120 volt ac panelboard, it is best to use
A. fingers across each fuse
B. a small neon test lamp connected from the line side of each fuse to ground
C. a 50-watt 120-volt test lamp placed from ground to the load side of each fuse in turn
D. an ohmmeter across each fuse on the panelboard
Which is the correct answer?