Step 1: Select Thread Type:
Leave Blank	Standard 8-Pitch
Q	Quik-Thread Double Start Acme Thread
T	Quik-Turn ¼-Turn Ramp Style
B	Quik-Flip Bolt Style
X	Permissible (Available with 8-Pitch Thread Only)
Step 2: Select Housing Type:
S	Socket
P	Plug
Step 3: Select Contact Type:
M	Male
F	Female
Step 4: Select Mounting Configuration
G	Gear or Equipment Mount
L	Line or Cable Mount
Step 5: Select Voltage Class & End Bell Size
415	15kV/Accomodates Cable O.D. Range of 1.50”–3.50”
515	15kV/Accomodates Cable O.D. Range of 3.50”–4.50”
055	5kV – Permissible/Explosionproof
Step 6: Select Number of Ground Checks Required
A	One Ground Check Contact (Included Standard)
AA	Two Ground Check Contacts
AAA	Three Ground Check Contacts
AAAA	Four Ground Check Contacts
Step 7: Select Optional Features
B	Interlock Contacts in Cover (for Plug)
BB	Interlock Contacts in Cover (for Socket)
C	Kirk-Lock (Available for Socket Only)
L	Insulators in Cover (for Plug)
N	Non-Interchangeable Amperage or Voltage Index
P	Padlock Provision (Available for Socket Only)
R	Insulators in Cover (for Socket)
TF	Teflon Insulator Tubes
Z	Beryllium Contacts
Example Part Number: QPML415AB
Q =	Quik-Thread Double Start Acme Thread
P =	Plug
M =	Male
L =	Line or Cable Mount
415 =	15kV/Accomodates Cable O.D. Range of 1.50”–3.50”
A =	One Ground Check Contact (Included Standard)
B =	Interlock Contacts in Cover (for Plug)

Always include phase, ground, and ground check drilling size when ordering.  For line/cable-mount couplers, please include cable O.D.