NEMA - C136.4
Roadway and Area Lighting Equipment — Series Sockets and Series-Socket Receptacles
|Publication Date:||1 January 2019|
This Standard covers the following equipment for roadway and area luminaries:
a. Series sockets having medium impact strength and intended for service at high temperatures.
b. Series sockets having high impact strength and intended for service at limited temperatures.
c. Series-socket receptacles (hereinafter called the receptacles) in the 5000 V classification.