Sparks Electrical News March 2015

people on the move 20

Bright Sparks

BEKA Schréder

Legrand

A tower of coins Mary hadmarked three circles on a piece of paper and placed in one of them a R5 coin, a R2 coin, a R1 coin and 10c piece , in that order from top to bottom. "You see," she said, "that each coin rests on a larger coin. The puzzle is tomove all the coins fromwhere they are now to the end circle, by moving one coin at a time and never placing a coin on a smaller coin.

Lambert Fouché , sales representative, Industrial branch.

Grant Kemp , sales engineer, Cape Town branch.

RichardYoung , senior technical sales representa- tive, Johannesburg branch.

Shavahn Fareed, sales and business developer, Legrand KwaZulu-Natal.

"That is easy", said Peter."What is the trick?" "There isn't one," Mary replied. " All you have to do is to take as fewmoves as possible." How can this be done?

February solution

A ring of coins

5 6 1 2 3

5 6 1 2 3

4

4

6

3 1 2

5 5 1 2 3

5

4

4

6

6

3

APRIL FEATURES

Editor: Erika van Zyl Consultant: Ian Jandrell PrEng, BSc(Eng), GDE, PhD, FSAIEE, MIEEE Production & layout: Colin Mazibuko Panel building, gauges, displays, main- tenance, protection, protection relays, starters, drives, motor types, sizing, starting, stopping, refurbishment, con- trolling, enclosures, switches, push- buttons, LEDs, digital displays, relays, timers, temperature controls, process, building management, insulation test- ing, vibration monitoring, mainte- nance, flameproof equipment. Regular topics such as cables, cable ac- cessories, cable management systems, cable sizing, skirting, trunking, conduit, cable trays, cable marking and label- ling, cable jointing techniques, wire sizing, fault finding, hazardous areas, flameproof, cable terminations, glands, cable installations and trenching will be included. CABLES ANDCABLE ACCESSORIES MOTOR CONTROL CENTRES AND MOTOR PROTECTION

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sparks

march 2015

ELECTRICAL NEWS