Older Springs townhouse, the electrics are original and we keep adding load (AC, EV charger, more appliances), what should we actually check?
We're in an original Springs townhouse and the electrics have never been touched since handover. Over the years we've added a newer AC, we're about to put in an EV charger, and there are just more appliances than the house was built for. I'm slightly nervous the old board and circuits weren't designed for this. What should we actually check before piling more load on twenty-year-old electrics, and what tends to be the weak point on Springs houses this age?
2 answers
Good instinct, on a Springs townhouse this age the wiring itself is usually sound, but the distribution board and how it's loaded is where the risk sits, because it was sized for the house as built, not for a modern AC plus an EV charger plus today's appliance count. Before adding anything, get a condition check: the DB and main breaker rating versus your real peak load, the state of the RCD/RCBO protection (older boards sometimes have one RCD covering everything, which nuisance-trips and isn't ideal), any circuit running warm or discoloured at the board, and a dedicated properly-rated circuit for the EV charger rather than spurring off an existing one. An EV charger especially is a continuous high load, spur it off the wrong circuit and you'll cook it. None of this means a rewire, usually it's a board upgrade and a new dedicated circuit or two. A team that knows the Emaar townhouses in the Springs will read the existing board quickly and tell you what safely takes the extra load. Do the check before the EV charger, not after.
We went through exactly this before our EV charger. The electrician put in a dedicated circuit and upgraded the board rather than hanging it off the garage sockets, which he said would have tripped constantly. Worth doing it properly, the charger runs for hours at a time so a bodged circuit is a real fire risk, not just an annoyance.
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