The neutral is white, the hot (live or active) single phase wires are black, and red in the case of a second active. The protective ground is green or green with yellow stripe. US AC power circuit wiring color codes FunctionĬanada: Canadian wiring is governed by the CEC (Canadian Electric Code). Conductors larger than #6 AWG are only available in black and are color taped at the ends. The colors adopted as local practice are shown in Table below.īlack, red, and blue are used for 208 VAC three-phase brown, orange and yellow are used for 480 VAC. ![]() In principle any other colors except these may be used for the power conductors. US, AC:The US National Electrical Code only mandates white (or grey) for the neutral power conductor and bare copper, green, or green with yellow stripe for the protective ground. UK AC power circuit wiring color codes Function For adding new colored wiring to existing old colored wiring see Cook. Table below lists these along with the obsolete domestic color codes. UK, AC: The United Kingdom now follows the IEC AC wiring color codes. IEC (most of Europe) AC power circuit wiring color codes Function The protective ground wire (listed as green-yellow) is green with yellow stripe. The older color codes in the table reflect the previous style which did not account for proper phase rotation. IEC, AC: Most of Europe abides by IEC (International Electrotechnical Commission) wiring color codes for AC branch circuits. ![]() In that case, local custom dictates the “optional” wire colors. In other jurisdictions, only a few conductor colors are so codified. In some jurisdictions all wire colors are specified in legal documents. If you want an Insignia, a £21,985 Exclusiv Nav model – with the addition of 18-inch alloys – makes a better buy.Wiring for AC and DC power distribution branch circuits are color coded for identification of individual wires. That’s far too expensive for an Insignia, particularly when you consider that company car drivers – who make up most Insignia buyers – will be taxed heavily on it. Yes, it’s well equipped and stylish, but the SRi VX-Line Red Nav costs a hefty £25,735. The biggest downside for this car, though, is its price. A Ford Mondeo is more agile and more enjoyable to drive. Despite its sporty looks, the handling is far from sharp, with numb steering and little in the way of driver appeal. Ride comfort does suffer with the larger wheels: you notice potholes and small bumps far more than in other Insignias. Standard stop-start ensures it’s pretty efficient, with 49.6mpg fuel economy and 134g/km CO2 emissions – for a company car tax rating of 17 per cent. The small turbo is torquey and surprisingly responsive, although the 2.0-litre diesel versions are more gutsy. It’s quiet and refined, and at motorway speeds you barely notice it. So this Insignia has plenty of showroom appeal, but what’s it like to drive? Well, the 138bhp petrol engine is perky, propelling the car from 0-62mph in 10.1 seconds and on to a top speed of 127mph. Standard equipment is generous, with comfortable sports seats, a USB input for music players, a leather-covered sports steering wheel and cruise control. In addition, you can specify your VX-Line model in ‘Red Nav’ form, which adds Power Red paintwork and sat-nav. ![]() It adds 20-inch alloy wheels and a more aggressive bodykit to SRi trim and gives low-powered Insignias, such as this 138bhp 1.4-litre turbo petrol model, the look of the high-performance VXR version. Vauxhall has made its new VX-Line trim available on the Insignia.
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