tool box

For 415V 3-phase AC, L1 is __, L2 is __, L3 is __, Neutral is __, and Earth is __.

Red, Black, Grey, Blue, Green/Yellow

For 240V 1-phase AC, Live (L1 or Phase) is __, Neutral is __, and Earth is __.

Brown, Blue, Green/Yellow

The wire colour for 110V DC is __.

Black

The wire colour for 110V AC is __.

Grey

The wires used in panel wiring are and tri-rated white wire.

1.5mm², 2.5mm²

For earthing panels, what is used? __, __, or __.

1 x 75mm² tri-rated wire, 50x4mm earth tape

A Cleveland multi-core cable consists of insulation, sheath, __, and a __ outer.

XLPE, LSZH, armoured, black

Telephone cables are made of with insulation.

Tinned copper, LSZH

Multi-core and panel cables are used for __, __, __, __, __, __, and __.

Control panels, Switchgear, CTs and VTs, AC/DC supplies, Alarm circuits, Tap changers, Remote indication

The crimp colour for 1mm² – 1.5mm² is __, for 1.5mm² – 2.5mm² is __, and for 4mm² – 6mm² is __.

Red, Yellow, Blue

CT and VT ferrules use for CT and for VT.

Red ferrule, Yellow ferrule

The 4 base wire colour pairs in a Cleveland 20-pair cable are __, __, __, and __.

White/Blue, Red/Blue, Black/Blue, Yellow/Blue

The gland size that fits 2c–4c 2.5mm² or 5-pair cable is __.

20s

The gland size that fits 7c 2.5mm² or 10-pair is __.

20L

The gland size that fits 12c or 20-pair is __.

25mm

The gland size that fits 19c–27c is __.

32mm

The gland size that fits 37c 2.5mm² is __.

40mm

The drill size needed for a 6mm tap is __.

5.5mm drill

The drill size used for a 10mm tap is __.

8.5mm drill

The drill size is used for 4mm tap

3.5 mm drill

The drill size for 5mm tape

4.5 mm drill

The drill size used for 8mm tap

Is 6.8mm

the drill size for 12mm tape is

10.2 mm drill