RW or TW wire? - Electrician Talk
2011年8月6日 · Thermoplastic-insulated cable TW, TWU = 60 deg C TW75, TWN75,TWU75 = 75 deg C the U means it can be direct burial getting to the OP,there is no advantage to installing …
Well pumps and wiring - Electrician Talk
2018年6月4日 · (i) Types RWU75, RWU90, TWU, and TWU75 single conductors or twisted assemblies of these types, suitable for handling at –40 °C; or (ii) Type SOW, G, G-GC, W, or …
Is PVC underground considered a wet location? - Electrician Talk
2016年10月6日 · Is PVC underground considered a wet location and where can I find the definition of a wet location in the code book? I am asking because I have always thought RWU …
Residential service - Electrician Talk
2018年7月2日 · Thanks Dennis , 4/0 almuminum is good yes but only for calculated loads of up to 189 amps For example if this was to be overhead service it would be hydro who installs and …
Gang Boxes in Various Countries - Electrician Talk
2013年2月11日 · All, I am trying to understand the differences in gang boxes used in: -China -UK -USA -India I am also interested in purchasing a "sample pack" worth of gang boxes. I would …