The BU-127 is Mueller's general-purpose clip. Uses Mueller-brand BU-128-0 and BU-128-2 flexible PVC insulators. Connects to wire up to 8 AWG via solder connection.
The BU-27 is a general purpose steel clip. Compatible with Mueller-brand BU-29 flexible PVC insulators. Connects to wire up to 12 AWG via crimp or screw connection.
The BU-27M is a general purpose marine clip which is made from solid copper, and uses stainless steel and brass hardware making these clips ideal for coastal and marine environments. Salt water...
The BU-27X is a general purpose stainless-steel clip (including hardware). Compatible with Mueller-brand BU-29 flexible PVC insulators. Connects to wire up to 12 AWG via crimp or screw connection.
The BU-27C is a general purpose copper clip. Compatible with Mueller-brand BU-29 flexible PVC insulators. Connects to wire up to 12 AWG via crimp or screw connection.
The BU-27-BZZZ is a general purpose steel clip. Doesn't include screw for wire connection, and screw hole is not tapped. Compatible with Mueller-brand BU-29 flexible PVC insulators. Connects to wire...