exposed cable run

[Jon mackay]

Is extra protection required here?

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[Ron Bibler]

Nice hand rail... They should have ran it with the stairs

Best

Ron

[brian schmitt]

Is extra protection required here?

no! just your usual protection

[JD Weekley]

Well, I don't think that's Mike Holmes approved....

[Trent Tarter]

The cable should be repalced with conduit or re-routed through wall cavity.

[Jim Port]

334.15 Exposed Work.

In exposed work, except as provided
in 300.11(A), the cable shall be installed as specified
in 334.15(A) through (C).

(A) To Follow Surface.

The cable shall closely follow the
surface of the building finish or of running boards.

(B) Protection from Physical Damage.

The cable shall be
protected from physical damage where necessary by rigid
metal conduit, intermediate metal conduit, electrical metallic

tubing, Schedule 80 PVC rigid nonmetallic conduit, or

other approved means. Where passing through a

floor, the
cable shall be enclosed in rigid metal conduit, intermediate
metal conduit, electrical metallic tubing, Schedule 80 PVC
rigid nonmetallic conduit, or other approved means extending

at least 150 mm (6 in.) above the floor.

Looks like (A) has been followed. Physical protection is a judgement call, but, IMO the cable could be possibly damaged by a vacuum.

[John Kogel]

Anywhere a dog can chew on it should have protection.

But like Jim says, it's a judgement call and the code leaves it up to "where necessary".

[Robert Hronek]

it there to hang socks for drying