Lock® Locking Devices
E-43 E-47
Industrial Specification Grade Watertight
Hart-Lock® Locking Devices
E-48 E-52
Industrial Specification Grade Midget Type
Hart-Lock® Locking Devices
E-53
50A Hart-Lock® Locking Devices
E-54 E-59
Hospital Use Mobile X-Ray
TM
Power-Lock® Locking Devices
E-60
Industrial Specification Grade
Power-Lock® Devices
E-61 E-64, E-66, E-68, E-69
Industrial Specification Grade 60 Amp
Power-Lock® Locking Receptacles
E-67
Weather Protective Covers and Grips for 60 Amp
Power-Lock® Locking Devices
E-70
Weather Protective Covers for Hart-Lock® Locking Devices
E-71
Weather Protective Boots for Hart-Lock® and
Power-Lock® Locking Devices
E-72
Industrial Specification Grade Weather Protective
Hart-Lock® Locking Device Switch Enclosure
E-73
Industrial Specification Grade Hart-Lock®
Locking Device Switch Enclosure
E-74
Locking Devices
Our comprehensive line of Industrial,
Marine, and Commercial Grade
locking devices is the broadest in
the industry. Its the best made, too,
providing unparalleled quality and
superb performance in the most
demanding environments.
Our Industrial Grade Hart-Lock®
products include insulated and
watertight plugs and connectors,
receptacles, flanged inlets and
outlets, midget plugs and California-
style devices, in addition to our
standard black and white devices.
The more economical Commercial
Grade plugs and connectors
are available in most common
configurations. Special Power-Lock®
devices feature automatic, positive
engagement, single-post designs for
applications where the need for a
secure connection is absolute.
Available in all NEMA configurations,
and more than 20 non-NEMA
configurations, our Hart-Lock®
and Power-Lock® Industrial
Specification Grade devices are
UL listed, CSA, or cUL certified,
and meet NEMA/ANSI standards
and Federal Specification WC-596.
E E-Intro
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1
LOCKING
DEVICES
I N D U S T R I A L
C O M M E R C I A L
Locking Devices
Cooper Wiring Devices offers the industrys
most diverse and complete line of Industrial
Specification Grade, Marine Grade and
Commercial Specification Grade locking
receptacles, plugs, connectors, flanged inlets
and outlets. Our line includes 15A, 20A, 30A,
50A and 60A ratings in 2-pole, 2-wire; 2-pole,
3-wire; 3-pole, 3-wire; 3-pole, 4-wire grounding;
4-pole, 4-wire; and 4-pole, 5-wire grounding.
We also offer all design styles to meet any
application, including: Hart-Lock
®
, AutoGrip
®
,
PowerLock
®
, Safety Grip
®
, California standard,
watertight, insulated, isolated ground,
corrosion resistant, and midget.
All of our rugged devices are contractor
tough, yet their locking action is easy to
implement. A simple twist engages or
disengages the mechanism.
Coopers tough locking receptacles meet
NEMA/ANSI standards, are UL listed, and
many models are CSA approved. All of our
locking devices meet or surpass the most
stringent industry performance standards
established by the National Electrical
Manufacturers Association, Underwriters
Laboratories, and Federal Specifications.
Coopers designs are easy to install, and
each attractively finished product is inspected
at the point of manufacture and tested for
electrical and mechanical performance, as well
as for safety characteristics, before packing.
Industrial Specification Grade Locking
Receptacles
These locking receptacles are the top of the
Cooper Wiring Devices line, featuring superior
engineering and performance as well as
outstanding appearance and ease of
installation. Made to provide the safest,
most dependable wiring device performance
available, Industrial Specification Grade
locking receptacles meet or surpass the
most stringent industry standards.
Industrial Specification Grade Locking
Plugs and Connectors
Only Cooper Wiring Devices offers tough
Industrial Specification Grade plugs and
connectors in two different cable clamping
designs to meet your every need. All our
AutoGrip
®
and Safety Grip
®
nylon devices
are high performance connecting products
for use in high abuse areas such as industrial
plants, institutional locations and commercial
job sites. They meet or exceed the latest
requirements of industry performance
standards and design standards such
as NEMA, ANSI, UL, and Federal
Specifications/GSA.
Nearly all of Coopers locking devices are
Underwriters Laboratories (UL) Listed and
most are also CSA certified or available as
CSA certified. Please consult Cooper Wiring
Devices Customer Service for availability. E-Intro
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2
LOCKING
DEVICES
I N D U S T R I A L
C O M M E R C I A L
Industrial Specification Grade
Hart-Lock
®
Locking Devices
Heavy duty, glass reinforced,
high temperature, nylon body
reduces breakage. Heat
stabilized material suitable
for 105°C/221°F continuous
use. Body material meets
UL 175 C.T.I. test.
Rugged heavy duty mounting
strap. Double riveted to body
for added strength.
One piece brass alloy
contacts provide excellent
plug retention and continuity
in the grounding and power
circuits.
Compact body design
allows for adequate wire
room in wallbox.
Heavy interior walls provide
additional support to insure
contact retention.
Back and side wired
terminal design allows for
fast installation. Large 10-32
power contact screws assure
easy, efficient installation.
Serrated terminal plates
bite wire to insure strong,
reliable wiring connections. E-Intro
-
3
LOCKING
DEVICES
I N D U S T R I A L
C O M M E R C I A L
Industrial Specification Grade 15A
Hart-Lock
®
Locking Plugs and Connectors
Industrial Specification Grade 20 & 30A
Hart-Lock
®
Locking Plugs and Connectors
Dual range cord grip
secures cord without
crushing.
Neoprene cord hole
seal prevents dirt,
moisture, metal
chips from entering
terminal area.
Nylon body designed
for high abuse areas,
suitable for
70°C/158°F
continuous use.
Back wired construction
provides for fast
wiring. Complies with
Dead-Front NEC
requirements on plug.
Individual wire
pockets contain
stranded wire.
Dead-Front construction.
Heavy-duty safety grip
external cord grip with
fast-driving screws
provides positive cord
gripping and limits
strain on conductors.
Dust and moisture
cord seal limits entry
of contaminants into
terminal compartment.
Back wire terminals
have lead-in tapers
for ease of wiring.
High-strength, nylon
construction for long life
in tough applications.
Serrated terminal plates
and contoured terminal
clamps bite on the
conductors for positive
termination.
All-brass terminal screws
and clamps for low-
resistance conductor
terminations. E-Intro
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4
LOCKING
DEVICES
I N D U S T R I A L
C O M M E R C I A L
Power-Lock
®
Locking Devices
Power-Lock devices are designed for the high abuse of heavy-duty industrial,
petrochemical, marine and construction applications. These units come in a
complete line of plugs, connectors, receptacles, and accessories in 20, 30
and 60 ampere, 2-pole, 3-wire; 3-pole, 4-wire and 4-pole, 5-wire configurations.
Heavy-duty 30A Power-Lock
®
Tapered cord grip
cover prevents
cord snagging.
Unique twist type
cover eliminates
assembly screws.
High impact nylon shell
and glass-filled nylon interior
virtually eliminates breakage
in high abuse installations.
Neoprene gasket
seals cord entry
hole and prevents
dust and moisture
from entering
terminal area.
Automatic cord
clamping fingers
provide exceptional
cord retention.
Back wired
clamp type
terminals provide
fast easy wiring.
Totally insulated design
eliminates exposed
metal parts. E-Intro
-
5
LOCKING
DEVICES
I N D U S T R I A L
C O M M E R C I A L
R E S I D E N T I A L
Hart-Lock
®
50 Amp AutoGrip
TM
Plugs and Connectors
Neoprene
gland
seals to
protect
interior.
Nylon AutoGrip clamps firmly on a
wide variety of cord sizes to provide
a strong, positive cord grip without
need for additional clamping.
Tapered shell
design makes
AutoGrip plugs
and connector
less vulnerable to
snagging on debris
or other obstacles
at construction sites.
Ribbed housing surfaces
provide improved gripping
and handling in any
environment.
Deep, tapered wire wells are
clearly marked X, W, Y and GREEN
for easy insertion and isolation
of solid or stranded wires.
Rolled steel
shrouds add
strength
and resist
corrosion.
One press of the quick-release lock
frees caps for easy, screw-off removal.
Clearly marked plug
and connector faces
provide amperage, voltage,
wiring configuration, and
catalog number for easy
identification.
Large terminal lugs grip
conductors securely,
are easy to access,
and come already
backed out to speed
up installation.
Back wired construction provides
for easy installation, dependable
conductor termination.
All plugs and connectors
accept up to #6 wire. E-Intro
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6
LOCKING
DEVICES
I N D U S T R I A L
C O M M E R C I A L
R E S I D E N T I A L
High impact thermo-
plastic construction
stands up to severe
job site abuse.
Clearly marked rating,
NEMA configuration
and standard
compliances (third
party listing) on face.
Large, deep-slotted
captive brass
terminal screws.
Chamfered
wire well for
easy insertion
of wire.
Rating and
NEMA/standard
complianc