electrical standards
Facility Cleaning & Maintenance
NEMA publishes guide for surge protective devices
The guide is the first in a new series intended to provide guidance on the evaluation, specification, and use of surge protective devices.
Facility Cleaning & Maintenance
NEMA revises standard for electrical equipment enclosures
The National Electrical Manufacturers Association (NEMA) has revised NEMA 250-2018 Enclosures for Electrical Equipment (1000 Volts Maximum).
