Faithfull 14m 110V trailing lead with 16amp plug and socket, built from 2.5mm heavy duty cable. Fitted with hardened plastic connectors for site use. Ideal for powering tools and transformers across a wide working area.
The Faithfull 14m heavy duty extension lead gives you a solid 110V supply wherever you need it on site, without the cable becoming the weak point in your setup. Built from 2.5mm heavy duty cable and rated at 16 amps, this trailing lead is designed for the kind of daily punishment that comes with construction and groundworks dragged across floors, coiled and uncoiled repeatedly, and left in conditions that would finish off a lightweight alternative. If you rely on 110V tools, this is the lead that keeps pace with them.
The 14 metre length gives a decent working radius from your transformer without needing to stack two leads together. That matters when you’re working on a roof, up scaffolding, or across a large floor area anywhere that a short lead means shifting the transformer every five minutes. Fourteen metres covers most single-storey and intermediate situations comfortably, and the 2.5mm conductor handles the current draw from angle grinders, drills, and reciprocating saws without the cable heating up under load.
Why the 2.5mm Cable Makes a Difference on This 14m Heavy Duty Extension Lead
Cable gauge is one of those things that looks the same from the outside but matters considerably once a grinder kicks in. A 1.5mm cable will run lighter tools without issue, but under sustained load or with higher-draw equipment you get voltage drop and heat build-up. The 2.5mm conductor in this lead reduces resistance over the 14 metre run, which means the tool at the end of the cable gets closer to the voltage and current it was designed to work with. Less heat. More consistent performance. Longer cable life.
The hardened plastic 110V 16 amp plug and socket are built to take knocks. On site, connectors get dropped, kicked, and dragged. Standard plastic cracks. The hardened construction on these connectors keeps them functional and keeps the connection safe which matters more at 110V site conditions than it might in a workshop setting.
Faithfull Site Leads
Faithfull produce this trailing lead as part of a range of 110V site leads in 14 metre lengths. The 2.5mm version here is the heavier-duty option, suited to tools with higher current draw. The 16amp rating aligns with standard 110V site transformer outputs, so this lead connects directly to your transformer’s socket without adaptors or workarounds.
Whether you’re running a SDS drill, a circular saw, or keeping a transformer fed to a splitter on a multi-trade site, this 14m heavy duty extension lead does exactly what it needs to do put power where you need it, reliably, and handle the rough treatment that comes with site work without giving up halfway through the job.
Pro Tip: Always fully uncoil this lead before connecting it to a transformer under load a coiled 14 metre cable generates heat that builds up faster than you'd expect, especially with higher-draw tools running continuously.
This Faithfull 110V trailing lead is used on construction sites, refurbishment projects, and any setting where 110V site power is the standard supply. The 14 metre length and 2.5mm cable rating make it suitable for powering tools with a meaningful current draw across a wide working area.
Running angle grinders, SDS drills, and circular saws from a site transformer
Extending reach from a 110V transformer on scaffolding or upper-floor work
Groundworks and civils sites where the transformer stays at ground level
Roofing and joinery work requiring a generous cable run
Feeding a 110V splitter box on multi-trade sites
Workshop and factory settings using 110V reduced-voltage systems
Best For
High-draw 110V power tools
Site transformers and splitter boxes
Construction and refurbishment sites
Extended reach from a fixed transformer
Compatible Connections
110V 16amp plug (site standard)
110V 16amp socket (site standard)
Standard 110V site transformer outputs
Key Specifications
Voltage: 110V
Current rating: 16 amps
Cable length: 14 metres
Cable gauge: 2.5mm
Hardened plastic plug and socket
Not suitable for: This lead is not suitable for 230V mains supply it is a 110V site lead only. Not intended for domestic or outdoor garden use where a 230V extension reel would be required.
Connect the 110V 16amp plug end directly to the output socket on your site transformer. Fully uncoil the lead before switching on leaving it coiled while in use traps heat in the cable, particularly under sustained load from higher-draw tools. Run the cable away from walkways where possible to reduce trip hazards and avoid the connectors being driven over.
At the tool end, plug in your 110V power tool or splitter box as required. Check the plug and socket for visible damage before each use hardened plastic connectors are tough, but a cracked housing should be retired from site rather than taped over. Store coiled loosely after use to keep the cable in good condition over time.
Fully uncoil the lead before connecting to a transformer or switching on any load
Connect the 16amp plug end to the 110V output socket on the site transformer
Route the cable clear of walkways, access routes, and areas where plant or vehicles may pass
Plug your 110V tool or splitter box into the socket end of the lead
Check the plug and socket for cracks or damage before each use replace if housing is compromised
After use, coil the lead loosely and store away from direct sunlight and sharp edges
Will this lead work with any 110V site transformer?
Yes. The Faithfull 14m trailing lead is fitted with a standard 110V 16amp plug and socket, which matches the output on the vast majority of site transformers used in the UK. No adaptors required.
Why choose 2.5mm cable over 1.5mm for a 14 metre run?
Over a 14 metre length, a 1.5mm cable introduces more resistance than a 2.5mm cable. This means greater voltage drop under load and more heat build-up in the cable itself. The 2.5mm version handles higher-draw tools angle grinders, circular saws, SDS drills more reliably across the full cable length.
Can I connect two of these leads together to get a longer run?
It is possible to connect two 110V trailing leads in series, but this is generally not recommended. Doubling the cable length significantly increases voltage drop, especially under load, which can affect tool performance and cause the cable to run warm. Where a longer reach is needed, consider repositioning the transformer instead.
The Faithfull 14m 110V trailing lead uses 2.5mm cross-section copper conductor cable rated at 16 amps, reducing resistive voltage drop over the full 14 metre run compared to lighter 1.5mm alternatives. The 110V 16amp plug and socket are moulded from hardened plastic, providing impact resistance suitable for site environments. The lead conforms to standard UK 110V reduced low voltage system (RLVS) connector specifications as used on CTE and similar site transformers.
Voltage
110V
Current Rating
16 amps
Cable Length
14 metres
Cable Cross-Section
2.5mm
Plug Type
110V 16amp site plug
Socket Type
110V 16amp site socket
Connector Material
Hardened plastic
Box Quantity
1
Voltage
110V
Box Quantity
1
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