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Current ratings for UL-CSA cables
Current ratings
PVC-insulated single and multi conductor wiring cables according to UL-AWM and CSA-TEW standards are used in switchboard and distribution cabinets of electrical equipments and as well as for the installation of machines and transformers in protecting tubes.
PVC-insulation is allowed at maximum temperature range of 105°C.
The indicated values stated in the following tables are considered as guiding values. In critical situation the rules and recommendations for the current ratings should be followed.

for single conductor cables at ambient temperature up to 30°C
AWG No. Cross-section mm²

Load rating A

 AWG No. Cross-section mm²

Load rating A
24 0.21 3.5 3 26.65 154
22 0.33 5.0 2 33.61 170
20 0.52 6.0 1 42.38 180
18 0.82 9.5 1/0 53.43 200
16 1.31 20 2/0 67.40 225
24 20.8 24 3/0 84.97 275
12 3.32 34 4/0 107.17 325
10 5.26 52 250 127 345
8 8.35 75 300 152 390
6 13.29 95 400 178 415
4 21.14 120  

for multi conductor cables at ambient temperature up to 30°C
AWG No. Cross-section mm² Load rating up to 3 conductors in A Load rating 4-6 conductors in A Load rating 7-24 conductors in A Load rating 25-42 conductors in A Load rating 43 and above in A
24 0.21 2 1.6 1.4 1.2 1
22 0.33 3 2.4 2.1 1.8 1.5
20 0.52 5 4 3.5 3 2.5
18 0.82 7 5.6 4.9 4.2 3.5
16 1.31 10 8 7 6 5
14 2.08 15 12 10.5 9 7.5
12 3.32 20 16 14 12 10
10 5.26 30 24 21 18 15
8 8.35 40 32 28 24 20
6 13.29 55 44 38 33 27
4 21.14 70 56 49 42 35
3 26.65 80 64 56 48 40
2 33.61 95 76 66 57 57
1 42.38 110 88 77 66 55

Correction-factors at ambient temperature over 30°C
Ambient temperature
in °C		 Load rating values of above tables correction-factors
31 - 40 0.82
41 - 45 0.71
46 - 50 0.58
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Sealcon is the Exclusive Importer of HUMMEL products. We offer over 6,000 different Types and Sizes of RoHS Compliant Liquid Tight Strain Relief Fittings, Cord Grips, Cable Glands, Circular Connectors, Conduit System, Industrial Enclosures and Other Related Cable Management Products which are rated the best in the industry.
Liquid Tight Strain Relief, Cord Grips, Cable Gland FittingsLiquid Tight Strain Relief Fittings, Cord Grips, Cable Glands
Threads: PG, NPT, Metric, BSPP Threads
Materials: Nylon, Nickel Plated Brass, PVDF (for chemicals and extreme temperatures) & Stainless Steel, NEMA 4x and 6 (IP68, IP 69K).
Approvals: RoHS, Deca BDE, UR, UL, CE, CSA, VDE, German Lloyd, etc.
Coming Soon: UL f1 (UL 746C) - Suitable for outdoor use with respect to exposure to ultraviolet light, water exposure and immersion in accordance with UL 746C
Circular ConnectorsCircular Connectors (M16, M23, RJ45, M27 and M40)
Sizes: M16 Signal, M23 Signal & Power, M27 Signal, M40 Power
Types: Twintus, RJ45 Industrial Ethernet, PoE Fast Ethernet, Push-Pull, Stainless Steel, Over Molded Cordsets, Standard/EMI Ready
Configurations: Signal (3-28 pole) & Power (6 & 8 pole)
Materials: Nickel Plated Brass, Stainless Steel and Aluminum
Approvals: RoHS, Deca BDE, UR, UL, CSA, TÜV, etc.
Hummel EnclosuresIndustrial Enclosures (Plastic & Metal)
Materials: Polycarbonate, ABS (Acryl-Butadiene-Styrene), Aluminum, Steel/Stainless Steel and Polyester.
Types: Gray or Transparent Lids, available with Hinges and Latches, Plain Walls or Knockouts.
Approvals: RoHS, Deca BDE, UL, CSA, TUV and CE. Modular, Expandable, UV and Impact Resistant, NEMA 4, 4x (IP 66/67). Solar Plus for Photovoltaic applications.
Our Enclosures can be equipped with Strain Relief Fittings, Circular Connectors or Conduit Fittings. Other customization options like cutting & drilling are also available.
Conduit SystemConduit System
High Pull-Out Resistance, Robust Performance, Long Life Expectancy, Fastest/ Easy installation, No Tools required!
Fittings: Push-In, Turn-to-Seal, Snapclic DUO (Nylon or Nickel Plated Brass), Double-Seal, Flange/Bulkhead
Conduit: Standard and Super Flex Corrugated Conduit
Accessories: Snap-In Mounting Brackets
Approvals: RoHS, Deca BDE, UR, German Lloyd, CE, etc.
Hazardous Location / Explosive Proof Cord Grips, Cable GlandsHazardous Location / Explosive Proof Cord Grips, Cable Glands
These fittings are labeled and approved to withstand the required needs of a combustible environment.
Materials: Nylon, Nickel Plated Brass, PVDF (chemical resistant & extreme temperatures), Stainless Steel.
Threads: NPT, Metric & PG. NEMA 4x (IP 67) and 6 (IP 68/69K)
Approvals: RoHS, Deca BDE, UL, CSA, VDE, CE, EEx e, ATEX, German Lloyd
EXIOS - High-end Cable Glands for armored cables in hazardous areas including the latest IECEx and ATEX certifications, for use in Ex-e, Ex-d and Ex-tD areas
Adapters, Enlargers, ReducersThread Adapters, Enlargers, Reducers
Convert, Increase or Decrease your thread size with our product lineof Adapters, Enlargers and Reducers.
Threads: NPT, Metric and PG.
Materials: Black or Gray Nylon, Nickel Plated Brass, Aluminum, Stainless Steel.
Approvals: RoHS, Deca BDE, CE, EEe x, ATEX, etc.
Hazardous / Explosive proof versions available.
Cable AccessoriesCable Accessories
Locking Nuts: Black & Gray Nylon, Nickel Plated Brass, Stainless Steel, EMI (w/ Cutting Edges)
O-Rings: Buna-N, Viton®, Silicone
Seal Rings: Polyethylene / Fiber-reinforced Plastic
Hole Plugs: Dome, Hex, Nylon, Nickel Plated Brass
Inserts: Standard, Reduced, Multi-Hole, Romex® for Flat Cables
Other Accessories: Ratchet & Socket Wrenches, Cable Clamps, etc.
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