EEMAC/NEMA Type 1
General Purpose - Indoor
Type
1 enclosures are intended
for use indoors, primarily
to prevent accidental contact
with the enclosed equipment,
in
areas where unusual service
conditions do not exist.
CSA Type 1
General Purpose - Indoor
Protects
against accidental
contact with live parts.
UL 50 / UL 508 Type 1
General Purpose - Indoor
Indoor use primarily
to provide
a degree of protection
against contact with the
enclosed equipment and
against a limited amount of
falling
dirt.
IP20 (approx. equivalent)
Protection against
solid
objects up to 12mm.
EEMAC/NEMA Type 3
Dust tight, rain tight and
sleet
resistant - Outdoor
Type 3 enclosures are intended
for use outdoors, to protect
the enclosed equipment
against
windblown dust and
water. They are not sleet (ice)
proof.
CSA Type 3
Dust tight, rain tight and
sleet
resistant - Outdoor
An enclosure for either indoor
or outdoor use, constructed
so as to provide a degree of
protection
against rain, snow
and wind blown dust; undamaged
by the external formation
of ice on the enclosure.
UL 50 / UL 508 Type 3
Dust tight, rain tight
and
sleet resistant - Outdoor
Outdoor use to provide a
degree of protection against
wind blown dust, rain and
sleet;
undamaged by the formation
of ice on the enclosure.
IP64 (approx. equivalent)
Total protection against
dust
and protection against spray
or water from every direction.
EEMAC/NEMA Type 3R
Rainproof and sleet resistant
-
Outdoor
Type 3R enclosures are
intended for use outdoors, to
protect against rain, and meet
the requirements of
UL 508
“Rainproof enclosures”. They
are not dust, snow nor sleet
proof.
CSA Type 3R
Rainproof and sleet resistant
-
Outdoor
An enclosure for either indoor
or outdoor use, constructed
so as to provide a degree of
protection against
rain and
snow; undamaged by the
external formation of ice on
the enclosure.
UL 50 / UL 508 Type 3R
Rainproof and sleet resistant
-
Outdoor
Outdoor use to provide a
degree of protection against
falling rain and sleet; undamaged
by the formation
of ice
on the enclosure.
IP22 (approx. equivalent)
Protection against
solid
objects over 12mm and
against direct spray up to 15°
from vertical.
EEMAC/NEMA Type 4
Watertight and dust tight -
Indoor
and outdoor
Type 4 enclosures are intended
for use indoors or outdoors,
to protect the enclosed
equipment against
splashing
water, seepage of water, and
severe external condensation.
They are sleet resistant but
not sleet (ice)
proof.
CSA Type 4
Watertight and dust tight -
Indoor
and outdoor
An enclosure for either indoor
or outdoor use, constructed
so as to provide a degree of
protection
against rain, snow,
windblown dust, splashing
and hose directed water;
undamaged by the external
formation of
ice on the enclosure.
UL 50 / UL 508 Type 4
Watertight
and dust tight -
Indoor and outdoor
Indoor or outdoor use to provide
a degree of protection
against splashing
water, windblown
dust and rain, and
hose directed water; undamaged
by the formation of ice
on the enclosure.
IP66 (approx. equivalent)
Total protection against
dust
and protection against strong
jets of water.
EEMAC/NEMA Type 4X
Watertight and dust tight -
Corrosion
resistant -
Indoor and outdoor
Type 4X enclosures have the
same provisions as
Type 4
enclosures and, in addition,
are corrosion-resistant.
CSA Type 4X
Watertight and dust tight -
Indoor
and outdoor
Type 4X enclosures have the
same provisions as Type 4
enclosures and, in addition,
are corrosion-resistant.
UL 50 / UL 508 Type 4
Watertight and dust tight -
Indoor
and outdoor
Type 4X enclosures have the
same provisions as Type 4
enclosures and, in addition,
are corrosion-resistant.
IP66 (approx. equivalent)
Total protection against
dust
and protection against strong
jets of water.
EEMAC/NEMA Type 12
Industrial
use, dust tight
and drip tight - Indoor
Type 12 enclosures are
intended for use indoors, to
protect the enclosed
equipment
against fibres, flying's,
lint, dust and dirt, and light
splashing, seepage, dripping
and external condensation
of
non-corrosive liquids.
CSA Type 12
Industrial use, dust tight
and
drip tight - Indoor
An enclosure for indoor use,
constructed as so to provide
a degree of protection against
circulating
dust, lint fibres and
flying's; dripping and light
splashing of non corrosive liquids;
not provided with knockouts.
UL 50 / UL 508 Type 12
Industrial use, dust tight
and
drip tight - Indoor
Indoor use to provide a
degree of protection against
dust, falling dirt, and dripping
non-corrosive
liquids.
IP55 (approx. equivalent)
Protected against dust
and
protection against low pressure
jets of water from every direction.