Transcript Slide 1

Socket styles for electric lamps
Bayonet cap –
mostly used in UK
BC
(B22d)
Bayonet
Cap
Edison Screw –
widely used
G6.35
2 Pins
6.35 mm
apart
ES
(E27)
Edison
Screw
Diameter:
22 mm
Diameter:
27 mm
SBC
(B15d)
SES
(E14)
Small
Bayonet
Cap
Diameter:
14 mm
Other fittings mostly for low
voltage halogen
lamps
Small
Edison
Screw
Diameter:
14 mm
G4
2 Pins
4 mm
apart
GU10
Push and Twist
Pins 10mm apart
Antique (c. 1900) ceramic & brass
bayonet lampholder
E27 ceramic lamp holder
GU 5.3 max 50V
B22D holder
with switch
Switches
White in-line cord switch units with
rocker actuators. 2A rating.
PL00550: Clip-on. Double pole,
complies with NF C 61-120.
PL00551: Neutral terminal and
capacity for through conductor. Single
pole. Complies with CEE24.
Press switch push for on push for off
Often used in lamp bases
Single pole so only switches the live
side
Normally suitable for operation up to
2A = 500W
Cable strain relief components
Strain relief collet locks
cable in place where it
enters the appliance –
prevents cable being
pulled out
Nylon cable support
prevents cable kinking
at entry to appliance –
often seen on electric
irons.