You are using beta.rapidonline.com. For the live site go to rapidonline.com


Stackable 4mm Test Plug Range

TruConnect Brand: TruConnect

These TruConnect 4mm stackable banana plugs are safety sheathed so you can safely build your own cable test plugs.

These 4mm test plugs have a solder termination with a rigid insulating sleeve.

  • Brass body
  • Beryllium copper, nickel plated spring
  • PE housing
  • 3.5mm cable diameter
  • Solder contact
  • Length 45mm
  • Voltage: 30V AC - 60V DC
  • Maximum current rating 19A
Description Image Product Buy Pricing (Ex VAT) Colour Connector type Plug / Socket Mounting Direction Mounting Type Insulated Termination
TruConnect 170556 Stackable 4mm Plug Black
TruConnect 170556 Stackable 4mm Plug Black
Standard range
Order code: 17-0556
MPN: 170556

1,333 in stock, despatched same dayAdditional 2,000 due on 21/01/2026
1+ £0.374
5+ £0.273
10+ £0.237
25+ £0.216
50+ £0.198
100+ £0.183
Price per unit Ex VAT 		Black 4mm Plug, Stackable Plug Straight Cable Yes Solder
TruConnect 170557 Stackable 4mm Plug Red
TruConnect 170557 Stackable 4mm Plug Red
Standard range
Order code: 17-0557
MPN: 170557

631 in stock, despatched same dayAdditional 3,000 due on 21/01/2026
1+ £0.374
5+ £0.273
10+ £0.237
25+ £0.216
50+ £0.198
100+ £0.183
Price per unit Ex VAT 		Red 4mm Plug, Stackable Plug Straight Cable Yes Solder
TruConnect 170558 Stackable 4mm Plug Blue
TruConnect 170558 Stackable 4mm Plug Blue
Standard range
Order code: 17-0558
MPN: 170558

567 in stock, despatched same dayAdditional quantity lead time 5 months
1+ £0.374
5+ £0.273
10+ £0.237
25+ £0.216
50+ £0.198
100+ £0.183
Price per unit Ex VAT 		Blue 4mm Plug, Stackable Plug Straight Cable Yes Solder
TruConnect 170559 Stackable 4mm Plug Green
TruConnect 170559 Stackable 4mm Plug Green
Standard range
Order code: 17-0559
MPN: 170559

542 in stock, despatched same dayAdditional 2,000 due on 21/01/2026
1+ £0.374
5+ £0.273
10+ £0.237
25+ £0.216
50+ £0.198
100+ £0.183
Price per unit Ex VAT 		Green 4mm Plug, Stackable Plug Straight Cable Yes Solder
TruConnect 170560 Stackable 4mm Plug Yellow
TruConnect 170560 Stackable 4mm Plug Yellow
Standard range
Order code: 17-0560
MPN: 170560

257 in stock, despatched same dayAdditional 1,000 due on 21/01/2026
1+ £0.374
5+ £0.273
10+ £0.237
25+ £0.216
50+ £0.198
100+ £0.183
Price per unit Ex VAT 		Yellow 4mm Plug, Stackable Plug Straight Cable Yes Solder


Trustpilot