Plant identification switch numbering

Question 1

Switch numbers shall be placed on what equipment?

Answer 1

reclosers, sectionalizers, oil switches and air break switches.

Question 2

Disconnectors shall only be numbered when ____?

Answer 2

when they are located between two numbered switches.

Question 3

where shall the switch number be placed on the pole?

Answer 3

the switch number shall be placed under the crossarm and between the crossarm braces.

Question 4

name all the fuse sizes used in the cutouts.

Answer 4

3, 6, 10, 15, 25, 40, 65, 100, 140, and 200 amps

Question 5

what does the + sign mean on the pole or transformer ?

Answer 5

It means that the transformer that beening used is to supplay ellectrically operated life support devices.

Question 6

all the padmount equipment containing energized conductors shall be labeled on the outside witha warning lable. where shall the lable be placed specificly?

Answer 6

the danger lable shall be placed above the locking handle so it would be visiable before opening the transformer.

the pad mounts or switchgears with multiple doors shall have lables on each side above the door handle.