Step 1 prepare junction box.
Armoured cable junction box.
Junction boxes are an essential piece of kit as they protect and insulate electrical connections whether commercially or in a domestic environment.
Insert the screw driver in the crevice and then use it to pry open the knockout tab.
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Long runs of armored cable can be quite heavy and cause stress on the connector between the cable and the junction box if not supported.
Use a screwdriver to punch out one of the knockout tabs on the junction box where the armored cable will be installed.
The national electrical code prohibits use of bx technically named armored cable ac in wet locations.
You should also place a support strap within about 12 inches.
Use metal clad mc with a metal sheath specifically listed as impervious to water or underground feeder branch circuit cable uf either by itself or in a conduit system approved for use in wet locations if you desire additional.
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