The Shed – September-October 2019

through the ceiling, rather than having
to go into the ceiling.
Check the existing lamp connector is
not faulty and undo it/them from the
existing transformer. Connect each lead
to the new transformer and tighten the
terminals fully.
Undo the 230V wiring and then
connect this into the new transformer.
Note that some versions have multiple
connectors to allow more than one light

on the circuit, so make sure you connect

one wire to L and the other to N. Put the

cable cover on and tighten to hold the

cables and prevent accidental contact

with the live wires.

Insert the LED lamp and check it

works before unplugging the lamp(s) and

pushing the transformer back into the

ceiling. The transformer should be on

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and then connect the LED lamp(s).

Depending on the version, you may

notice that the light is whiter and may

be wider in beam than the original

dichroic. There are ‘warm white’ lamps

if you prefer.

Replacing downlights is a similar

exercise except these will have an

earth wire.

As LEDs draw less power there

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with insulation. Some installation f

Multi-LED version of LED Lamp Compact fluorescent lamp (CFL) but note the non-dimmable label

Inexpensive LED downlight which is dimmable Rear side — note that the electronics are separate to reduce

the heat