Exemption:
|
These rules do not apply to cords and
cables that are an internal part of factory assembled appliances and equipment,
like the windings on motors or wiring inside electrical panels. |
Note:
|
Flexible cords and cables are typically
used to connect electrical equipment to a power source. These cords can have an
electrical plug to connect to a power source or can be permanently wired into
the power source. The terms flexible cords, extension cord, cables and
electrical cords all refer to a type of flexible cord. |
(1) You must
perform visual inspections.
On portable cord- and plug-connected equipment and extension
cords before use on each work shift. Defects and damage to look for
include:
(a) Loose parts.
(b) Deformed or missing pins.
(c) External defects and damage.
(d) Damage to the outer covering or
insulation.
(e) Pinched or crushed
covering or insulation that might indicate internal damage.
Exemption:
|
You do not need to visually inspect
portable cord- and plug-connected equipment and extension cords that stay
connected once in place and are not exposed to damage until they are moved.
|
(2) You must remove from service any
defective or damaged cord until repaired and tested.
(3) You must use flexible cords only as
follows:
(a) Wiring of equipment and
appliances.
(b) Data processing
cables approved as a part of the data processing system.
(c) Pendants.
(d) Wiring for fixtures.
(e) Connecting portable lamps or appliances
to an approved outlet with an attachment plug.
(f) Connecting stationary equipment that is
frequently changed with an attachment plug energized from an approved
outlet.
(g) Preventing noise or
vibration transmission.
(h)
Appliances where the fastening means and mechanical connections are designed to
permit removal for maintenance and repair if the appliance is equipped with an
attachment plug energized from an approved outlet.
(i) Elevator cables.
(j) Wiring of cranes and hoists.
(k) Portable and mobile signs.
(l) Connection of moving parts.
Common Acceptable Uses of Flexible Cords
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image
Note:
|
Extension cords (flexible cord sets) may be
used on a temporary basis if you follow the rules described in the temporary
use section, WAC 296-800-28030(3). |
(4) You must make sure flexible cords are
not:
(a) Used as a substitute for fixed
wiring of a structure.
(b) Run
through holes in walls, ceilings, or floors.
(c) Run through doorways, windows, or similar
openings.
(d) Attached to building
surfaces.
(e) Concealed behind
building walls, ceilings, or floors.
(f) Used to raise or lower
equipment.
(5) You must
make sure flexible cords and cables are approved and suitable for:
(a) The way they will be used.
(b) The location where they will be
used.
(6) You must not
fasten or hang cords and equipment in any way that could cause damage to the
outer jacket or insulation of the cord.
(7) You must make sure insulation on flexible
cords and cables is intact.
(8) You
must make sure flexible cords and electrical cords are:
(a) Connected to devices and fittings so that
any pulling force on the cord is prevented from being directly transmitted to
joints or terminal screws on the plug.
(b) Used only in continuous lengths without
splice or tap.
Note:
|
Hard service flexible cords No. 12 or
larger may be repaired or spliced if the insulation, outer sheath properties,
and use characteristics of the cord are retained. |
(9) You must prohibit your employees from
using wet hands to plug or unplug equipment or extension cords if the equipment
is energized.
(10) You must provide
the following for temporary use.
(a) Make
sure temporary electrical power and lighting installations that operate at 600
volts or less are used only:
(i) During and
for remodeling, maintenance, repair or demolition of buildings, structures, or
equipment, and similar activities.
(ii) For experimental or developmental
work.
(iii) During
emergencies.
(iv) For no more than
ninety days for:
(A) Christmas decorative
lighting.
(B) Carnivals.
(C) Other similar
purposes.
(b)
Make sure flexible cords and cables are protected from accidental damage as
might be caused, for example, by sharp corners, projections, and doorways or
other pinch points.
(c) Remove
temporary wiring immediately upon completion of the project or purpose for
which the wiring was installed.