
APPENDIX
B
Fabrication
of
Timing
Light
Materials
Required:
One
neon
bulb
One
lamp
cord
with
appropriate
plug
One
resistor
22K/10%/l/4
W
(for
115
VAC)
47K,10%,l/4
W
(for
220
VAC)
Equipment
and
Supplies:
Knife
Soldering
iron
Wire
cutters
Needle
nose
pliers
Heat
shrink
tubing,
1/8
inch
Heat
shrink
tubing,
3/16
inch
Solder,
60/40
resin
core
Scale
(ruler)
Ohmmeter
Preparation:
1.
Prepare
lamp
cord
as
shown
below:
2.
Prepare
resistor
as
shown
below:
3/16B
3/16f
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