Customer Support: +1 416-401-8730

Login to i2i Subscription Intertek.com
  • There are no items in your cart
Please enter a keyword to search
Advanced search
Home
NEMA
ANSI/NEMA AB 4:2023

ANSI/NEMA AB 4:2023

Current

Current

The latest, up-to-date edition.

Preventive Maintenance of Molded-Case Circuit Breakers Used in Commercial and Industrial Applications

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

11-29-2023

Publisher

National Electrical Manufacturers Association

Sets forth, for use by qualified personnel, a number of basic procedures that may be used for the inspection and preventive maintenance of molded-case circuit breakers used in industrial and commercial applications rated up to and including 1,000 V 50/60 Hz AC or AC/DC.

DocumentType
Standard
Pages
41
PublisherName
National Electrical Manufacturers Association
Status
Current
Supersedes

ANSI/NEMA 250-2020 Enclosures for Electrical Equipment (1,000 Volts Maximum)
NFPA 70E:2024 Standard for Electrical Safety in the Workplace
NFPA 70:2023 National Electrical Code (NEC) Softbound
ANSI/NEMA AB 3:2013 Molded-Case Circuit Breakers and Their Application
NFPA 70B:2023 Standard for Electrical Equipment Maintenance

View more information
Free
USD
CAD
CHF
CNY
DKK
EUR
GBP
HKD
IDR
INR
JPY
KRW
MXN
NOK
NZD
SEK
SGD
USD
ZAR
Hardcopy - English
PDF - English
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.

Learn more on subscription solutions

or

Get in touch with us