THW Electrical Wire
If you are about to enter the world of electrical wires but unfamiliarity is what makes you astray, there’s a tip for you to select the right one. Electrical wires are classified into two main types which are high voltage electrical wires and low voltage electrical wires. Mainly, low voltage wires range from small to large gauge with the voltage rating of 300 volts (min) and 750 volts (max). This type of electrical wires commonly features wire insulation and copper conductor or aluminum in some cases. For example, IEC01 THW wires come with PVC insulation covering a single core or multi core copper wire. THW wires are approved for 450/750 volts and up to 70 degrees Celsius. Colored sheathings are also utilized to identify their function in a circuit of various electrical applications, for instance, brown, black, and grey are for Line (L) L1 L2 L3 accordingly, blue is for neutral (N) wires and yellow-green for ground (G) wires. Other colors such as red, yellow, and white are for more identification standards in designation of a wire’s purpose. Basically, IEC01 THW wires are recommended for electrical runs in general residences of commercial facilities. What’s more, an installation type, number of wires, wire gauge, wire length, and conduits should also be pondered.
Wire Sizes
- • IEC01 THW 1x1.5 sq.mm: Used for lamps, bulbs, and other low-voltage lighting circuits. Wires in this size mainly utilize a 10A-16A breaker, depending on installation.
- IEC01 THW 1x2.5 sq.mm: Commonly seen in behind sockets and some lighting, this wire size is evenly used for water heaters or electric stove with rated wattage not exceeding 3,500W, small air conditioner units (not exceeding 18000BTU), and water pumps or motors (not exceeding 2500W or 2HP). 2.5 Sq.mm THW wires are usually used a with 16A-20A breaker, depending on installation and wiring design.
- IEC01 THW 1x4 sq.mm: Mostly adopted for sockets with higher load, water heater with rated wattage not exceeding 4,500W, and air conditioners. Also, 1x4 sq.mm wires are used for wiring projects including lighting or regulation of a circuit in a small room. A 20A-25A breaker is used in conjunction with the wire (depending on wiring design).
- IEC THW 1x6 sq.mm: Wires this size support up to 6000-watt water heaters, large units of air conditioner, and more. They can be used in wiring of a circuit regulating more devices. They are to be used with a 25A-32A breaker.
- IEC THW 1x10 sq.mm: Utilized for water heater between 8000-10000 watts or as wiring for residences where multiple appliances such as air conditioners, water heaters, hobs, microwaves, and more are used. Breakers up to 40A are compatible. Wires this size are routed in conduits or raceways. It is also important to take conduit size into account. If wiring is carried on a rack, up to 50A breakers shall be considered.
- IEC THW 1x16 sq.mm: Designed for use with machinery or mains electricity connected to 15(45)A electricity meter, they are wired with a consumer unit to control power distribution of the whole unit with the regulation of a 50A breaker and IC (interrupting current) high enough.
- IEC THW 1x25 sq.mm: Wired along conduits, wires this size are used with 63A breaker to distribute electricity to circuits with large loads or controlling plenty appliances or lighting fixtures.
THW Electrical Wire Homepro
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