Skills Practice M.E.N. Earthing PDF

Skills Practice M.E.N. Earthing (Handout – Relevant Rules) 1. Risk Assessment – TAFESAFE / Job Safety Analysis 2. Behaviour and Safety in workshop 3. Safety glasses and enclosed shoes (NO tinted safety glasses) 4. Correct Isolation...

Skills Practice M.E.N. Earthing (Handout – Relevant Rules) 1. Risk Assessment – TAFESAFE / Job Safety Analysis 2. Behaviour and Safety in workshop 3. Safety glasses and enclosed shoes (NO tinted safety glasses) 4. Correct Isolation PROCEDURE – NOT just lock off 5. Plan job – Wiring Diagram with general cable routes AND sizes a. Main earth or bond not connected to Service Neutral Link – SIR 1.17.7 6. Plan actual cable routes a. Switchboard panel needs to open completely – 2.10.6 a b. Cables need to be tied to moving panel to protect them – 2.10.6 b c. Cables to run in one wiring loom where practicable 7. Stranded cables twisted if any chance of strands separating. 3.7.2.5 8. Tight connections – 3.7.2.3.1 9. What type of earthing terminal/connection/bar – see 5.3.4 10.What size PEC for switchboard surround – T5.1 if protected. If unprotected see 5.5.3.5 (Back to T5.1 if noted as exception) 11.M.E.N. a. What size MEN – see 5.3.5.2 (Main earth size if noted as exception) b. Colour – Green or Green/Yellow – 5.3.5.3 12.Main Earth a. What size Main Earth – see 5.3.3.2 and T5.1 b. To be run back to main earth connection – 5.5.1.1 13.Water pipe bond a. What size Water pipe bond – see 5.6.3.2 b. To be run back to main earth connection, or anywhere on main earth – 5.6.2.2. Skills Practice M.E.N. Earthing (Handout – Relevant Rules) Page 1 of 2  14. Reinforcement bond a. What size reinforcement bond – 5.6.3.2 b. Can be connected to any part of earthing system – 5.6.2.5 15.What size PEC for FSC’s – Table 5.1 and 5.3.3.4 if