When you say "these," I assume you are referring to a specific type of termination for electrical conductors, and that you are comparing them to "end bells." To give you a useful answer, I need to understand what "these" refers to. Please provide more details!However, I can give you some general information about common types of wire terminations and how they compare to end bells (if that's what you're thinking of). Let's consider some common possibilities

Possible "These" (Types of Wire Terminations):
Wire Ferrules

These are metal sleeves crimped onto the end of stranded wires. They provide a clean, solid termination point for screw terminals and other connections.

Ring Terminals

These have a ring-shaped end that fits around a screw or stud. They are very common for making secure connections.

Spade/Fork Terminals

These have a fork or spade-shaped end that slides under a screw. They are similar to ring terminals but allow for easier installation/removal without fully removing the screw.

Butt Splices

Used for joining two wires end-to-end. They involve inserting the wires into a metal sleeve and crimping it.

Twist-on Wire Connectors (Wire Nuts)

These are plastic caps that twist onto the ends of joined wires.

End Bells (also known as Sealing Fittings)

These are typically used with conduit systems. They fit at the end of a conduit run and provide a smooth, rounded transition to the wires exiting the conduit. They also offer environmental protection (e.g., sealing out moisture).

Comparison - General Considerations (Without knowing your specific "these")



Purpose

End bells are specifically for use with conduit to protect wires as they exit the conduit. The other terminations mentioned above are for making electrical connections to devices, terminals, or other wires. They serve different purposes.

Conductor Type

Ferrules are most often used on stranded wire. Ring and spade terminals are versatile and can be used on both solid and stranded wire. Wire nuts are designed for stranded or solid copper conductors. End bells don't have a preference for conductor type but are meant to protect the conductors within a conduit.

Ease of Use

All the terminations have different installation procedures. Ferrules require a crimping tool. Ring/Spade terminals can be installed with or without crimping (crimping is generally recommended for a more secure connection). Wire nuts are the simplest to install - just strip the wires and twist them together. End bells require connecting to the conduit.

Security of Connection

Crimped connections (ferrules, ring/spade terminals, butt splices) generally offer a very secure and reliable connection. Wire nuts, when properly installed, can also be very reliable.*

Environmental Protection

End bells are specifically designed to provide environmental protection. Ferrules, ring/spade terminals, and wire nuts offer limited environmental protection, if any.

To help me give you a better answer, please tell me


What are the "these" you are referring to? (Provide a brand name, a description, or even a link to a product page.)2. What application are you considering using them for? (e.g., connecting wires to a terminal block, joining two wires together, terminating wires in a control panel).3. What type of end bells are you thinking of comparing them to? (Type of conduit they are being used with)4. Are you concerned about specific things like UL listing, voltage rating, amperage rating, etc.?

Once I have this information, I can provide a much more specific and helpful comparison. Flag for review