6. Scan the table and complete it with the headings a-j.

a Approximate net weight

b Colour of insulation

c Maximum resistance of conductor at 20°C

d Insulation

e Type

f Nominal cross-sectional area of conductor

g Conductor

h Lowest ambient temperature for fixed installation

i Application

j Test voltage 50Hz

PVC INSULATED SINGLE CORE NON-SHEATHED CABLE

1___________		H05V2-U
CONSTRUCTION	2__________	annealed copper, class 1 solid, class 2 stranded or class 5 flexible conductor
	3__________	heat resistant PVC
4__________		green/yellow, blue, black, brown, grey, orange, pink, red, violet, white
5__________		0.75 mm2
Radial thickness of insulation		0.6 mm
Approximate overall diameter		2.2 mm
6__________		11 kg/km
7__________		24.5 Ω/km
Maximum insulation resistance at 70°C		0.013 MΩ∙km
Maximum conductor operating temperature		+70°C
8__________		-30°C
Lowest installation temperature		-5°C
Maximum short-circuit conductor temperature		+160°C
9__________		2000V
Minimum bending radius		4 x cable diameter
10__________		Fixed protected installation inside appliances and in, or on, lighting fittings. Suitable for installation in surface mounted or embedded conduits, only for signaling or control circuits.
Standard length cable packing		100 m in rings or on spools, or in cardboard boxes

Use of English 2: vocabulary

7. Make pairs of words by matching a word in column a to a word in column b. Then complete the sentences 1-7 with each pair.

A 1 annealed 2 overall 3 operating 4 bending 5 ambient 6 control 7 embedded

B a circuit b temperature c temperature d conduits e diameter f copper g radius

1. __________ is the temperature range in which a computer or other electronic device can

function properly.

2. These cables are used for the purpose of lighting in residential and commercial building in

surface mounted or __________ .

3. We can provide tin coated copper wire and __________ wire in bulk at the most

competitive rate in the industry.

4. In a computing context, __________ is the air temperature of any environment where

computers and related equipment are kept. Maintaining an appropriate __________ is

crucial to the proper functioning and longevity of computer equipment.

5. The minimum _________ for cables with non-shielded conductors is seven times the

overall diameter.

6. A tone __________ is an electronic circuit that consists of a network of filters which

modify the signal before it is fed to speakers, headphones or recording devices by way of an amplifier.

7. The minimum bending radius for single conductor cable and multi-conductor cable with an

overall shield is twelve times the __________ of the cable.

Use of English 2: grammar Conditionals