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2.5 mm² copper on a 16 A MCB — the size the trade sells as 7/29.
A domestic microwave draws 1100–1500 W at the plug, which is 5.0–6.8 A on Pakistan's 220 V supply. 2.5 mm² is rated 27 A clipped direct at 30°C, so the cable is never the tight part of this job. What decides the kitchen counter circuit is the kettle, the toaster and the blender plugged in beside it — that arithmetic is below.
The number printed on the door of a microwave is its cooking output, not what it takes from the socket. An oven badged 800 W typically pulls 1100–1400 W at the plug, because the magnetron and the transformer are not free. Size the point on the input figure on the rating plate at the back, and treat the badge as marketing.
For a domestic microwave in Pakistan, run the counter point in 2.5 mm² copper on a 16 A MCB: the oven draws 1100–1500 W at the plug, which is 1100 ÷ 220 = 5.0 A to 1500 ÷ 220 = 6.8 A, and 2.5 mm² carries 27 A clipped direct at 30°C. The size is chosen for the whole counter circuit, not for the oven alone — 1.5 mm² would carry the microwave by itself, and runs out of room the moment a kettle joins it.
| Parameter | Value |
|---|---|
| Appliance | Domestic microwave, grill or OTG |
| Input power, typical | 1100–1500 W |
| Running current at 220 V | 5.0–6.8 A |
| Breaker rating | 16 A MCB |
| Live and neutral | 2.5 mm² copper |
| Earth | 2.5 mm² — the third core |
| Trade code | 7/.029 |
| Capacity, 2.5 mm² | 27 A |
| Voltage drop | 18 mV/A/m |
Nobody wires a socket for a microwave. They wire a kitchen counter, and the microwave is one of five things that end up on it. These are the loads that share it.
| Appliance | Typical input | Current at 220 V |
|---|---|---|
| Microwave / OTG | 1100–1500 W | 5.0–6.8 A |
| Electric kettle | 1500–2000 W | 6.8–9.1 A |
| Toaster / sandwich maker | 700–900 W | 3.2–4.1 A |
| Blender / juicer | 300–600 W | 1.4–2.7 A |
| Vacuum cleaner | 1000–1600 W | 4.5–7.3 A |
| Hair dryer | 1200–2000 W | 5.5–9.1 A |
Take a real breakfast: microwave at 1500 W, kettle at 1800 W, toaster at 800 W, all on at once. That is 4100 W, and 4100 ÷ 220 = 18.6 A on one 16 A MCB. The 2.5 mm² cable is fine — it carries 27 A, and even at a 0.75 correction for conduit and a hot kitchen it still holds 20.3 A. The breaker is what goes, and going up a cable size will not stop it. Two counter circuits, or one appliance at a time.
2.5 mm² copper, 16 A MCB par. Dukaan par isko 7/.029 kehte hain. Microwave plug se takreeban 1100–1500 W leta hai, yani 220 volt par 5 se 6.8 amp — darwazay par likha 800 W cooking output hai, socket ka load nahi. 3-core lein taake earth bhi 2.5 mm² ho, kyunke metal body wali cheez hai.
Class 5 stranded copper, 50/0.25, PVC insulated and sheathed, drawn on the Pilone line in Lahore. Rated 24 A on three loaded cores, clipped direct at 30°C. Three cores so the earth matches the live and neutral.
Cable is priced off the day's copper rate, so we quote per metre and per coil on WhatsApp rather than publish a figure that goes stale. Send the metres and your city.
For a chased-in counter point, pull separate conductors of 7/.029 single core copper through the conduit, or take 2.5mm 2 core flexible cable where the earth runs separately.
We draw the copper in Lahore and sell it at the day's rate — no dealer margin, and the line that made the coil answers the message. Tell us the metres and your city: Punjab in 1–2 days, rest of Pakistan in 2–4.