Connector Comparison

Evolution Audio Grade Evolution Standard Classic Audio Grade Classic Standard
Terminal clamp WattLock with teeth WattLock with teeth Permalock Permalock
Conductor gauge 8awg / 14awg 8awg / 14awg 10awg / 16awg 10awg / 16awg
Cable OD 19mm / 9.5mm 19mm / 9.5mm 16mm / 9.5mm 16mm / 9.5mm
Front Housing Polycarbonate Polycarbonate Glass filled nylon Glass filled nylon
Back Housing Polycarbonate Polycarbonate Polycarbonate Polycarbonate
Model number marking Laser etched anodized ring Plastic ring Sticker Back ring
Audio Grade mark front face none front face none
Assembly hardware non-magnetic 2.5mm hex head non-magnetic 2.5mm hex head non-magnetic #2 phillips non-magnetic #2 phillips
Base metal High spring rate brass High spring rate brass High spring rate brass High spring rate brass
Contact plating Gold or Rhodium (see metallurgy) none Gold, Silver, or Rhodium (see metallurgy) none
RoHS compliance yes yes yes yes
UL compliance 330 evo, 350 evo 5266 evo, 320 evo 330i, 350i, 350i HC 5266i, 320i, 320i HC
cUL compliance 330 evo, 350 evo 5266 evo, 320 evo none none
CSA compliance none none 330i, 350i, 350i HC 5266i, 320i, 320i HC
CE compliance 350 evo, 390 evo 320 evo, 360 evo 390i 360i