Cut Sheet

Illustrated Features
Spring Door and Screw Cap
30, 60, 100, and 150 Amp spring door and screw cap receptacles 
are threaded to accept clamping ring ACP plug. The ring threads 
onto the receptacle to form a raintight assembly with plug in 
use-and also to prevent plug fallout. When the plug is withdrawn, 
the gasketed spring door cover closes tightly against receptacle 
opening automatically, providing weatherproof protection. Spring 
door has stainless steel spring and shaft.
Spring Door
Cover
Automatically
Closes
Plug Threaded
into Receptacle
Screw Cap Plug with
Clamping Ring
Spring Door Cover
30, 60, 100, and 150 Amp units may be located at any position in a 
360° circle by adjusting a setscrew. Set screw also allows complete 
removal of cover. Spring door available on 200 Amp units.
NOTE: Spring Door cover in open positions for illustration only.
ACP Plugs
Supplied with bushings to accommodate a wide variety of cable 
diameters. 30 Amp plug clamp used in first position with smallest 
inside diameter bushing provides positive grip on cables as small as 
0.390 inches, such as those that are used in oil rig installations.
Reversible Cable Clamps
Permits wide cable range (just loosen screws and flip over).  
Each position accommodates one of two bushings. Convenient in 
installations having different cable sizes.
1st Position 2nd Position
Illustrated Options
Standard Service
Energized receptacle has 
recessed male contacts to 
reduce danger of accidental 
touching. Plug has female 
contacts that are energized only 
upon insertion in receptacle.  
Reverse Service (Generator
Application)
Useful where a “hot” plug feeds a 
dead receptacle. Reverse service 
is often used for generator 
applications where the receptacle 
houses a dead plug interior. Plug 
houses an energized receptacle 
interior, which has recessed 
male contacts to reduce danger 
of accidental touching. 30, 60, 
100, 150, and 200 Amp units 
can be easily converted to 
reverse service in the field when 
matching plug and receptacle 
are ordered. 400 Amp unit is only 
available as a factory assembled 
item at extra cost. Add suffix -RS
to receptacle or connector.
Special Polarization
Prevents plug insertion in a receptacle or connector wired for 
a different voltage. In installations where there are different line 
voltages, the special polarization option is desirable. This allows 
only plugs and receptacles wired for the same line voltage to be 
mated together. The receptacle or connector interior is positioned 
22-1/2°, relative to the polarization rivet, to the right (as specified) of 
standard, and plug is polarized to correspond. Add suffix -P4 to the 
standard or reverse service plug, receptacle or connector.
Plugs and Receptacles
Plugs and RecePtacles: ORdinaRy lOcatiOn
Visit our website at www.appletonelec.com or contact us at (800) 621-1506.
© November 2011
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Series Pin and Sleeve Plugs, Connectors and Receptacles