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Heavy Duty Extensions - Compare offers for Power & Electrical Supplies near you, and across Ireland

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Extension Cords (75)
Wire Terminals & Connectors (16)
Specialty Electrical Switches & Relays (15)
Electrical Wires & Cable (2)
Power Outlets & Sockets (1)
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Extension reel with 25 metres of 1.5mm², 15 amp, 3 core PVC auto cable, 16 amp 230 volt mains plug and two 16 amp 230 volt socket outlets to BS5733.

16A 230V Blue Mains Extension Reel – 25m image

16A 230V Blue Mains Extension Reel – 25m

€125.38
Bradshaw J. L. & Co
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Suitable for garage, workshop and office applications. Features 4 x 230V sockets, 3 x 5V (2.4A) USB sockets and 1 x 5V (3A) USB-C socket. Fitted with 3-pin heavy-duty plug. Features built...

2.6m Extension Lead with USB Ports - Black image

2.6m Extension Lead with USB Ports - Black

€51.70
Triace Ltd
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DEFENDER 110V EXTENSION LEAD, YELLOW, 4MM², 32A, 14M image
Just Added

DEFENDER 110V EXTENSION LEAD, YELLOW, 4MM², 32A, 14M

€76.95
Watson Hire
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Power 14M 220V 1.25sq 13A Extension Lead image

Power 14M 220V 1.25sq 13A Extension Lead

€24.95
Toolman.ie
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Auto Choice 25m 2.5mm² Extension Lead – PMEL2525 image

Auto Choice 25m 2.5mm² Extension Lead – PMEL2525

£87.50
Auto Choice Direct
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Sealey EL34USBB 2.6m Extension Lead with USB Ports - Black image
Just Added

Sealey EL34USBB 2.6m Extension Lead with USB Ports - Black

€40.95
Craigmore Online
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70a Heavy Duty Tractor Relay image

70a Heavy Duty Tractor Relay

€20.00
Tractor Electrics
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Bulkhead Socket for Controllers and Heavy Duty Relays image

Bulkhead Socket for Controllers and Heavy Duty Relays

€459.74 Ex VAT
Bradshaw J. L. & Co
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LED Global Heavy Duty Isolator Switch image

LED Global Heavy Duty Isolator Switch

€34.99
Clarkes Of Cavan
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Extension cables for OptiMate Battery Chargers with SAE connectors - SAE 13 4.6m image

Extension cables for OptiMate Battery Chargers with SAE connectors - SAE 13 4.6m

£22.99
The Visor Shop
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Tractor Heavy Duty Cut Off Switch image

Tractor Heavy Duty Cut Off Switch

€34.99
Tractor Electrics
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12v Heavy Duty Push Button Switch image

12v Heavy Duty Push Button Switch

€4.02
Mallow Tools
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12V 200A Heavy Duty Stud Relay image

12V 200A Heavy Duty Stud Relay

€19.95
Truck Electrics
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Sealey PL/13/3S Black 13A heavy-Duty Plug image

Sealey PL/13/3S Black 13A heavy-Duty Plug

£5.00
Craigmore Online
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Relay Heavy Duty Make/Break 200A 12V image

Relay Heavy Duty Make/Break 200A 12V

€18.06 Ex VAT
Bradshaw J. L. & Co
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Relay Mini Heavy-Duty Make/Break 70A 12V image

Relay Mini Heavy-Duty Make/Break 70A 12V

96.20 Ex VAT
Bradshaw J. L. & Co
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Faithfull Heavy Duty Cable Reel 13A 40M image

Faithfull Heavy Duty Cable Reel 13A 40M

€74.99
Stakelums Home & Hardware
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Relay Extra Heavy Duty Make/Break 120A 12V image

Relay Extra Heavy Duty Make/Break 120A 12V

€19.42 Ex VAT
Bradshaw J. L. & Co
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Relay Mini Heavy-Duty Make/Break 40A 24V image

Relay Mini Heavy-Duty Make/Break 40A 24V

96.20 Ex VAT
Bradshaw J. L. & Co
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Relay Extra Heavy Duty Make/Break 100A 24V image

Relay Extra Heavy Duty Make/Break 100A 24V

€18.68 Ex VAT
Bradshaw J. L. & Co
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Relay Heavy Duty Make/Break Sealed 70A 24V image

Relay Heavy Duty Make/Break Sealed 70A 24V

€68.02 Ex VAT
Bradshaw J. L. & Co
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230V HEAVY DUTY INDU image

230V HEAVY DUTY INDU

€103.66 Ex VAT
Bradshaw J. L. & Co
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Extension cables for OptiMate Battery Chargers with SAE connectors - SAE 23 4.6m Weatherproof image

Extension cables for OptiMate Battery Chargers with SAE connectors - SAE 23 4.6m Weatherproof

£30.99
The Visor Shop
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Masterplug 4 Socket 10 Metre Extension Cable Reel - Blue | MCT1010/4BL-MP image

Masterplug 4 Socket 10 Metre Extension Cable Reel - Blue | MCT1010/4BL-MP

€18.99
Topline Heavins & Euronics
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CED HD 2-Way 10 Amp Ext Reel 25m Blk image

CED HD 2-Way 10 Amp Ext Reel 25m Blk

€81.45
Index Direct
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BRAINBRIDGE 16A HEAVY DUTY 25METRE SHOREPOWER LEAD image

BRAINBRIDGE 16A HEAVY DUTY 25METRE SHOREPOWER LEAD

€170.00
McHale Marine
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Nato Socket / 24V Heavy Duty / Max 135A image

Nato Socket / 24V Heavy Duty / Max 135A

€29.00
Truck Electrics
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Halfords Toggle Switch On/Off Metal Heavy Duty Non Illuminated (HEF595) image

Halfords Toggle Switch On/Off Metal Heavy Duty Non Illuminated (HEF595)

€5.90
Halfords
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Gardman 20m General Purpose Heavy Duty Wire image

Gardman 20m General Purpose Heavy Duty Wire

€8.00
The Pavilion Garden Centre
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Negative Heavy Duty Battery Terminals – drilled 14.3mm for extra large cable image

Negative Heavy Duty Battery Terminals – drilled 14.3mm for extra large cable

€5.60
Bradshaw J. L. & Co
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Negative Heavy Duty Battery Terminals – drilled 14.3mm for extra large cable image

Negative Heavy Duty Battery Terminals – drilled 14.3mm for extra large cable

€15.48
Bradshaw J. L. & Co
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Premium 24V 70A Heavy Duty Maxi Relay / 4 Pin image

Premium 24V 70A Heavy Duty Maxi Relay / 4 Pin

€9.75
Truck Electrics
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Heavy Duty Powermaster Cable Reel 40m 13 Amp 2 Gang image

Heavy Duty Powermaster Cable Reel 40m 13 Amp 2 Gang

€99.99
Clarkes Of Cavan
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Futaba Heavy Duty Wire 5m 22 AWG image

Futaba Heavy Duty Wire 5m 22 AWG

€5.17
Radio Controlled Shop
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24V 40-50A Heavy Duty Flasher Maxi Relay / 4 Pin image

24V 40-50A Heavy Duty Flasher Maxi Relay / 4 Pin

€7.80
Truck Electrics
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HEAVY DUTY REWIREABLE PLUG 13 AMP BLACK image

HEAVY DUTY REWIREABLE PLUG 13 AMP BLACK

€5.00
Farm Lighting
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Sealey Extension Cable 2.6m 4 x 230V + 2 x USB Sockets - Black EL34USBB image

Sealey Extension Cable 2.6m 4 x 230V + 2 x USB Sockets - Black EL34USBB

€46.95
Five star rating
Toolforce
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Negative Heavy Duty Battery Terminals – drilled 14.3mm for extra large cable image

Negative Heavy Duty Battery Terminals – drilled 14.3mm for extra large cable

€13.98
Bradshaw J. L. & Co
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Negative Heavy Duty Battery Terminals – drilled 14.3mm for extra large cable image

Negative Heavy Duty Battery Terminals – drilled 14.3mm for extra large cable

€12.26
Bradshaw J. L. & Co
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Negative Heavy Duty Solderless Battery Terminals – drilled 14.3mm for extra large cable image

Negative Heavy Duty Solderless Battery Terminals – drilled 14.3mm for extra large cable

€68.50
Bradshaw J. L. & Co
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Negative Heavy Duty Solderless Battery Terminals – drilled 14.3mm for extra large cable image

Negative Heavy Duty Solderless Battery Terminals – drilled 14.3mm for extra large cable

€34.40
Bradshaw J. L. & Co
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Negative Heavy Duty Solderless Battery Terminals – drilled 14.3mm for extra large cable image

Negative Heavy Duty Solderless Battery Terminals – drilled 14.3mm for extra large cable

€38.94
Bradshaw J. L. & Co
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Negative Heavy Duty Solderless Battery Terminals – drilled 14.3mm for extra large cable image

Negative Heavy Duty Solderless Battery Terminals – drilled 14.3mm for extra large cable

€70.80
Bradshaw J. L. & Co
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Negative Heavy Duty Solderless Battery Terminals – drilled 14.3mm for extra large cable image

Negative Heavy Duty Solderless Battery Terminals – drilled 14.3mm for extra large cable

€83.78
Bradshaw J. L. & Co
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Negative Heavy Duty Solderless Battery Terminals – drilled 14.3mm for extra large cable image

Negative Heavy Duty Solderless Battery Terminals – drilled 14.3mm for extra large cable

€90.28
Bradshaw J. L. & Co
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Negative Heavy Duty Solderless Battery Terminals – drilled 14.3mm for extra large cable image

Negative Heavy Duty Solderless Battery Terminals – drilled 14.3mm for extra large cable

€146.92
Bradshaw J. L. & Co
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Positive Heavy Duty Solderless Battery Terminals – drilled 14.3mm for extra large cable image

Positive Heavy Duty Solderless Battery Terminals – drilled 14.3mm for extra large cable

€68.50
Bradshaw J. L. & Co
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Positive Heavy Duty Solderless Battery Terminals – drilled 14.3mm for extra large cable image

Positive Heavy Duty Solderless Battery Terminals – drilled 14.3mm for extra large cable

€650.76
Bradshaw J. L. & Co
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Negative Heavy Duty Solderless Battery Terminals – drilled 14.3mm for extra large cable image

Negative Heavy Duty Solderless Battery Terminals – drilled 14.3mm for extra large cable

€57.50
Bradshaw J. L. & Co
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Other Offers Available

Sealey CR25/1.5 Cable Reel 25m 4 x 230V 1.5mm² Heavy-Duty Thermal Trip image

Sealey CR25/1.5 Cable Reel 25m 4 x 230V 1.5mm² Heavy-Duty Thermal Trip

£103.22
Craigmore Online
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1500W 24V DC to 230V AC Heavy-duty Modified Wave Voltage Inverter image

1500W 24V DC to 230V AC Heavy-duty Modified Wave Voltage Inverter

€645.00
Interparts (Drumalee) Ltd
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Powermaster 25m Cable Reel 2.5mm 110V image

Powermaster 25m Cable Reel 2.5mm 110V

€79.99
Clarkes Of Cavan
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Replacement Cable Battery Terminal image

Replacement Cable Battery Terminal

€5.00
Rowlette Garden Equipment
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SIP 25137 T5500W Petrol Generator image

SIP 25137 T5500W Petrol Generator

€915.95
Craigmore Online
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SIP 25137 T5500W Petrol Generator image

SIP 25137 T5500W Petrol Generator

£726.00
Craigmore Online
Visit Provider
Metal Press Button Switch image

Metal Press Button Switch

€14.95
Tractor Electrics
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Petrol Generator (5.5KVA/5.0kW) image

Petrol Generator (5.5KVA/5.0kW)

€1,171.28
Bradshaw J. L. & Co
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Sealey Cable Reel 25m 4 x 230V 1.5mm² Heavy-Duty Thermal Trip CR25/1.5 image

Sealey Cable Reel 25m 4 x 230V 1.5mm² Heavy-Duty Thermal Trip CR25/1.5

€128.95
Toolforce
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Weatherproof Case Cable Reel (20m) image

Weatherproof Case Cable Reel (20m)

€39.95
The Garden Shop
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Negative Heavy Duty Battery Terminals – drilled 14.3mm for extra large cable image

Negative Heavy Duty Battery Terminals – drilled 14.3mm for extra large cable

€57.84
Bradshaw J. L. & Co
Visit Provider
Positive Heavy Duty Battery Terminals – drilled 14.3mm for extra large cable image

Positive Heavy Duty Battery Terminals – drilled 14.3mm for extra large cable

€451.58
Bradshaw J. L. & Co
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Positive Heavy Duty Battery Terminals – drilled 14.3mm for extra large cable image

Positive Heavy Duty Battery Terminals – drilled 14.3mm for extra large cable

€57.84
Bradshaw J. L. & Co
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525mm Round Heavy Duty Tinned Copper Bonding Strap – 16/32/0.30mm 260A image

525mm Round Heavy Duty Tinned Copper Bonding Strap – 16/32/0.30mm 260A

€12.08
Bradshaw J. L. & Co
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Best 50mm Cable Lugs – Heavy Duty Electrical Connectors image

Best 50mm Cable Lugs – Heavy Duty Electrical Connectors

€3.95
Wholesale Welding Supplies
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Cut Out Switch image

Cut Out Switch

€16.00
Liffey Mills
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Portable Transformer 3000VA image

Portable Transformer 3000VA

€133.89
Triace Ltd
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Best 25mm Cable Lugs | Heavy Duty Power Connectors image

Best 25mm Cable Lugs | Heavy Duty Power Connectors

€1.95
Wholesale Welding Supplies
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Best 35mm Cable Lugs | Heavy Duty Electrical Lugs image

Best 35mm Cable Lugs | Heavy Duty Electrical Lugs

€2.95
Wholesale Welding Supplies
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13A Plug - Black image

13A Plug - Black

€4.81
Triace Ltd
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SIP MEDUSA MGHP3.5FF HONDA Petrol Generator 04462 image

SIP MEDUSA MGHP3.5FF HONDA Petrol Generator 04462

€1,101.05
MTS Direct
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Isuzu Diesel Standby Generator image

Isuzu Diesel Standby Generator

€6,995.00
Toolman.ie
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Powermaster Cable Reel 240v 40m image

Powermaster Cable Reel 240v 40m

€89.99
Total DIY
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500W 24V DC to 230V AC Heavy-duty Modified Wave Voltage Inverter image

500W 24V DC to 230V AC Heavy-duty Modified Wave Voltage Inverter

€204.06
Bradshaw J. L. & Co
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250W 24V DC to 230V AC Heavy-duty Modified Wave Voltage Inverter image

250W 24V DC to 230V AC Heavy-duty Modified Wave Voltage Inverter

€131.54
Bradshaw J. L. & Co
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Push Button Switch 12v, Off-(On) image

Push Button Switch 12v, Off-(On)

€2.50
Truck Electrics
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2200W 24V DC to 230V AC Heavy-duty Modified Wave Voltage Inverter image

2200W 24V DC to 230V AC Heavy-duty Modified Wave Voltage Inverter

€789.30
Bradshaw J. L. & Co
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1000W 24V DC to 230V AC Heavy-duty Modified Wave Voltage Inverter image

1000W 24V DC to 230V AC Heavy-duty Modified Wave Voltage Inverter

€374.72
Bradshaw J. L. & Co
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1500W 24V DC to 230V AC Heavy-duty Modified Wave Voltage Inverter image

1500W 24V DC to 230V AC Heavy-duty Modified Wave Voltage Inverter

€571.82
Bradshaw J. L. & Co
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TRANSFORMER KVA 3.3 image

TRANSFORMER KVA 3.3

€92.25
Strahan Timbers
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SIP 25133 Medusa T3000W Petrol Generator image

SIP 25133 Medusa T3000W Petrol Generator

£341.00
Craigmore Online
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SIP 25133 Medusa T3000W Petrol Generator image
Just Added

SIP 25133 Medusa T3000W Petrol Generator

€439.00
Craigmore Online
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DRAPER 5.5KVA/5.0KW PETROL GENERATOR image

DRAPER 5.5KVA/5.0KW PETROL GENERATOR

€926.18
Bradshaw J. L. & Co
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Reutlinger Holder Type 25 M13 image

Reutlinger Holder Type 25 M13

€32.00
MTN Shop
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Pacini 3.5KVA Petrol Generator image

Pacini 3.5KVA Petrol Generator

€295.00
Walsh Plant
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Cyrix Battery Combiner image

Cyrix Battery Combiner

€55.00 Ex VAT
MPE Online
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Faithfull 20M CABLE REEL 13A image

Faithfull 20M CABLE REEL 13A

€36.99
Gerard Kelly & Co Ltd
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BF414-M8 Terminal studs image

BF414-M8 Terminal studs

€8.50
Viking Marine
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24V Isolator Switch 250A image

24V Isolator Switch 250A

€24.00
TrailerStuff
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Automower Boundary Wire Connector (5 pk) image

Automower Boundary Wire Connector (5 pk)

€12.00
Rowlette Garden Equipment
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Air Compressor Electrical Motor 7.5hp 5.5kw image

Air Compressor Electrical Motor 7.5hp 5.5kw

€700.12
Triace Ltd
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Tala Cable Reel 25m X 110v | TAL59222 image

Tala Cable Reel 25m X 110v | TAL59222

€84.95
MD O'Shea & Sons
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LEVA PER INTERRUTTORE FINECORSA image

LEVA PER INTERRUTTORE FINECORSA

€117.03
ABC Services Advanced Bar and Catering Services Ltd.
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Push/Pull Switch Long image

Push/Pull Switch Long

€1.50
Truck Electrics
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Jefferson 32amp Socket (230v) image

Jefferson 32amp Socket (230v)

€10.53
Mallow Tools
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110V 3-Way Splitter, 16A image

110V 3-Way Splitter, 16A

€19.56
Bradshaw J. L. & Co
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Single Phase Site Transformer 10kVA 110V image

Single Phase Site Transformer 10kVA 110V

€913.21
Triace Ltd
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2200W Generator 6.5hp 4-Stroke Engine 230V image

2200W Generator 6.5hp 4-Stroke Engine 230V

€502.25
Triace Ltd
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2200W Generator 6.5hp 4-Stroke Engine 230V image

2200W Generator 6.5hp 4-Stroke Engine 230V

€502.25
Triace Ltd
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2200W Generator 6.5hp 4-Stroke Engine 230V image

2200W Generator 6.5hp 4-Stroke Engine 230V

€502.25
Triace Ltd
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SIP MEDUSA MGKP7.0FF KOHLER Petrol Generator 04355 image

SIP MEDUSA MGKP7.0FF KOHLER Petrol Generator 04355

€1,965.55
MTS Direct
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3150W Generator 7hp 4-Stroke Engine 230V image

3150W Generator 7hp 4-Stroke Engine 230V

€608.79
Triace Ltd
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3150W Generator 7hp 4-Stroke Engine 230V image

3150W Generator 7hp 4-Stroke Engine 230V

€608.79
Triace Ltd
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3500W Inverter Generator 4-Stroke Engine 230V image

3500W Inverter Generator 4-Stroke Engine 230V

€761.00
Triace Ltd
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SIP MEDUSA MGHP6.0FLR HONDA Petrol Generator 04476 image

SIP MEDUSA MGHP6.0FLR HONDA Petrol Generator 04476

€2,450.05
MTS Direct
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16A Hardwire Socket 110v - Wholesale Welding Supplies image

16A Hardwire Socket 110v - Wholesale Welding Supplies

€7.37
Wholesale Welding Supplies
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16A Socket 230v - Wholesale Welding Supplies image

16A Socket 230v - Wholesale Welding Supplies

€5.66
Wholesale Welding Supplies
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Sealey GG7500 Generator 6000W 110/230V 13hp image

Sealey GG7500 Generator 6000W 110/230V 13hp

€1,167.00
Craigmore Online
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Sealey G5501 Generator 5500W 110/230V 13hp image

Sealey G5501 Generator 5500W 110/230V 13hp

€920.00
Craigmore Online
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Sealey GG7500 Generator 6000W 110/230V 13hp image

Sealey GG7500 Generator 6000W 110/230V 13hp

£901.00
Craigmore Online
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