a. The wire and conduit should be unblocked, and the inner lead of the catheter should be pulled back and forth by hand. It should be able to be twitched for later repair and replacement.
b. Check the socket wire sequence with an electric pen or socket detector. It must be the left zero right fire ground wire.
c. Check the switch line sequence with an electric pen. The switch must control the live line.
d. Check the test button of the leakage protector or check the leakage protector with the socket detector. The action should be flexible.
e. Detect the insulation resistance value of each circuit with an insulation resistance meter of not less than 0.5M ohm.
f. Open the main valve, and touch the joints of the water supply and drainage pipes to be tight and watertight, and the drainage should be smooth.
g. Check whether the spacing is up to standard, whether the welding at the elbow is firm, and whether the pipe pressure is abnormal.
h, the water and electricity location CD must be available to facilitate the inspection and determination of the location.
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