Crimps come down to two things: the conductor size you’re working with and the finish the job needs. Insulated versions are usually the quick pick for general terminations, while uninsulated types suit tighter spaces or a more compact connection. Ring crimps hold where the fixing must stay put. Spade and fork styles make removal easier later. If you’re matching existing work, check the format first - that’s where most call-backs start.
Insulated Crimp Terminal Fork - 6.6mm 4mm²-6mm² Yellow 100 Pack 48A
Yellow insulated fork terminal 6.6mm, 4mm²-6mm², 100 pk
Your Esssentials Insulated Crimp Terminal - 3.2mm Blue Fork
3.2mm blue fork crimp terminal with flared barrel for easy wire insertion
Your Esssentials Copper Uninsulated Cable Lugs Flared Entry - 150mm² - 12mm hole
Copper uninsulated cable lug, 150mm², 12mm hole
Unicrimp Tube Butt Splice - Copper 10 Pack
Unicrimp copper tube butt splice, pack of 10
Unicrimp Tube Butt Splice - Copper 5 Pack
Copper tube butt splice, pack of 5 for electrical connections
Flared Entry Cable Lug - M8, 35mm² 10 Pack
Flared entry M8 cable lug for 35mm² conductors, 10 per pack.
Your Esssentials Insulated Crimp Terminal - 4.8mm red female spade
Insulated 4.8mm red female spade crimp terminal
Your Esssentials Copper Uninsulated Cable Lugs Flared Entry - 70mm² 6mm hole
Pack of 10 copper uninsulated cable lugs, 70mm², 6mm hole, crimp terminal
Swann Hand Hydraulic Hexagon Crimp Tool - 10mm² - 400mm²
Hand hydraulic hexagon crimp tool for 10mm² – 400mm² cable
Crimp Terminal Male Bullet - 5mm 4mm² - 6mm² 24A Yellow 100 Pack
Male bullet crimp terminal for 4mm²-6mm² cable, rated 24A, yellow, pack of 100
Start with the space you’ve got and how the connection needs to sit. In a crowded enclosure or tight panel, smaller crimps save grief because bulky sleeves and oversized barrels get in the way. If the termination may be disturbed, pick a form that stays put. If it needs to come off again, choose the layout that gives you access without fighting the fixing. Most call-backs I’ve seen come from the wrong size or a poor match to the job, not the crimp itself.
Insulated and uninsulated crimps are usually the first split. Insulated versions suit quicker general terminations, with the sleeve taking some of the strain. Uninsulated crimps are the neater choice when space is tight or you are finishing inside a panel.
After that, the terminal shape does the real sorting. Ring crimps hold the fixing in place. Spade or fork crimps make more sense when you may need to lift the connection again. Cable crimps, wire crimps and electrical crimps are the main formats you are choosing between, and crimp connectors are the broader label when you want a straight join rather than a fixed terminal. If you are matching a job out across Cable & Cable Management, that is the point to narrow it down. The wrong layout usually causes the comeback, not the crimp itself.
Start with conductor size and the finish you need. Then check how much room you’ve got, and whether the joint needs to stay fixed or come off again.
Insulated crimps give quicker identification and a bit of protection around the barrel. Uninsulated types suit tighter spaces or a neater assembly where every millimetre matters.
Ring crimps stay put on a fixed point. Spade crimps make more sense when the connection may need to come off later.
If the job sits in conduit or a tighter run, Metal Conduit & Accessories can push you towards slimmer terminals. Check Cable before you order as well. A poor match there is what usually brings the call-back, not the crimp.
Once you’ve picked the crimps, the next call is what finishes the run and keeps the job tidy. If the cable is still exposed, you are usually into cable management, cable sleeving or cable ties rather than more connectors.
Where the run passes through metalwork, glands and grommets matter more than another terminal. On bigger jobs, label printing saves time at test and handover, and electrical tape still gets used for marking and dressing. Most of the comeback comes from the surrounding finish being left loose, not the crimp itself.









