Where to Find：
The plastic part near
the conductor
（Conductor：2 parts）
※ Gray area
Duct
● At least once a year, please do self-inspection due to safety check sheet. If any abnormality occurs, immediately contact electrical worker.
● Receive the check by the specialist in the construction shop etc. once every three years.
● when will use beyond 10 years after installation, At least once a year, please do inspection due et. At least once a year at least, please accept
inspection by a electrical worker to be sure. and When it passes for 15 years after installation, Please stop use promptly and exchange it.
■ Safety Check Sheet (Self-check)：
At least once a year
Safety Check Sheet ＆ Maintenance Sheet
Contents of inspection
Result
Duration
of use
1
Less than 10 years of use?
More than 15 years of use?
conditions of use
1
Are there condense on the ducts?
2
Are there stains or discoloration on
the inside of the duct?
3
Are there deposits of dust adhering
to the inside of the duct?
4
Are there an abnormal looseness or gap?
5
Are the connection parts of duct straight ?
6
Are there such a strange odor or
smell burnt?
conditions
of use
7
Did blocked the earth leakage breakers?
8
Had the power supply of the apparatus
linked to a duct turned on and off ?
A title
Check
day
Y D M
The check
person in charge
Result
○：Normal
Measures
○：Exchange required
●：Finished with exchange
×：Abnormality
△：Adjustment required
▲：Finished with adjustment
Caution
● Action against abnormal, turn off the power
before, checks by the electrical worker.
Not doing so will result in an electric shock, a fi re, or a
drop.
２．Where to Find
discoloration
A title
Contents of inspection
Remedy
Result
Measures
Duct
Is there condensation?
Eliminate the cause of condensation
Are there discoloration or deformation in the plastic
of the duct and
Change it.
Are there adhesion and deposition of dust in the inside of a duct? Remove the dirt
Is a straight line connecting duct?
Attachment is improved so that it may become a
straight line.
Is the thing which is not an exclusive plug attached to the duct? Exchange plugs.
The parts to
connect
・feed-in cap
・Center-feed-in joiner
・Joiner
・Joiner L
・End cap
Are there any slack of a set screw ?
Retighten
Is the duct insuffi cient to merge ?
Iserts enough to the back.
Is cover detached?
Replace the cover
Are there discoloration or deformation in the plastic？ Change it.
Are there breakage and a crack?
Change it.
Are there loose the terminal screw?
Retighten
Plug
Correct direction of the attachment to the duct?
Attach after checking direction.
Are there loose the terminal screw?
Retighten
Is the plastic of the plug discoloring and changing?
Change it.
Are there breakage and a crack?
Change it.
Is the electric wire of the plug pulled?
takes a little longer
Hanger
Dose the rib part hitch on the hock part?
Hitch the rib part of the duct on the hook part.
All
Insulation resistance
voltage to ground 150 V or less：0.1 M Ω or more ？
voltage to ground 150 V or higher：0.2 M Ω or more ？
Do pertain to your particular place and cause
abnormal
■Maintenance Sheet(The contents of check by electrical worker)
:
Least once every three years during and after completion
30
