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lance

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Hi Im new here need some (alot of help) never usually touch commercial stuff but needs must wiring up new build comprising three ground floor retail units and three offices to be fed from four single phase meters tails for these are further than 3 mts away
Question one do I need to run in armoured cable or can i use 25 mm tails as per domestic
Question two the building is a steel framed building although no exposed steel work what do i need to do regarding the earthing not sure what system tt or tncs will need to enquire
Question three the first floor is to comprise of three offices each having one ring circuit and one lighting circuit and one air conditioning unit these three offices to be fed seperatley from a land lords board complete with individual meters can i feed all four boards via henley block or will ineed to feed the three offfice boards via breaker in land lords board
I did say i needed a lot of help not bad for a first post hey!
 
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L

lance

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