Low Voltage (LV) Jointing

E.ON Cable Jointer Training Academy

Course : to be able to complete all LV jointing tasks required of a skilled low voltage jointer. The course covers theory and practical sessions in various jointing techniques including the new mechanical cable jointing.

Content

Cable identification:

Waveform 3-core solid aluminium conductors with copper combined neutral earth. PILCSTA. Paper insulated, lead covered steel tape armoured. Hybrid. Single-core service cable.

LV jointing
* Single-phase 100 amp cut outs
* Installation of additional Single-pole for landlords supply with busbar
* Single-phase waterproof seal on cut out
* Single-phase street lamp cut out
* Three-phase cut out 100 amp
* 400 amp Industrial cut out
* 1-phase, Hybrid-to-Hybrid straight joint using mechanical connectors (Heatshrink)
* 1-phase, Hybrid-to-Hybrid branch joint using mechanical connectors
* 1-phase, Hybrid to 2-core PILCSTA straight joint using mechanical connectors
* 2-core PILCSTA with a 1-phase Hybrid branch using mechanical connectors
* 1-phase, Hybrid stop end using heatshrink termination
* 1-phase, Hybrid single phase overhead termination using heat shrink kit.
* 2-core PILCSTA stop end using heat shrink termination
* 35mm 3-core waveform to 35mm 3-core waveform Heatshrink straight joint
* 35mm 3-core waveform to 35mm 3-core waveform branch joint
* 35 mm Single-phase service onto 3 core waveform main using I.P.C. connectors
* 35mm Three-phase service onto 3-core waveform main using I.P.C. connectors
* 35mm Single-phase service onto 4-core paper lead steal tape armoured
   (S.T.A.) cables using I.P.C. connectors
* 5mm Three-phase service onto 4-core paper lead S.T.A. cables using I.P.C.
   connectors
* 3-core waveform straight joint using mechanical type connectors
* 3-core waveform branch joint using ’Jaw’ type connectors
* 3-core waveform stop end joint (heat shrink)
* 3-core waveform heat shrink termination for connection to under-eaves or
   overhead line termination
* 4-core paper lead S.T.A. stop end joint (heat shrink)
* 4-core paper lead S.T.A to 3-core waveform transitional straight joint using
   mechanical connectors
* 4-core paper lead S.T.A. with a waveform branch using mechanical connectors
* 3-core waveform with a 4-core paper lead S.T.A. branch using mechanical 
   connectors
* 2-way link box using 3-core waveform cable
* 4-way link box using 3-core waveform cable
* Termination into an LV cabinet/pillar using 3-core waveform cable
* 600mm2 single core Solidal connections armoured/non-armoured for
   connection between transformers and pillars
* Insulation and continuity testing of cables prior to connection
* ‘Is it really an LV cable’ flow-chart?
* Loop impedance and polarity training (if required).